About Dr. Sasanka Deka

Ph.D. (Chemistry), National Chemical Laboratory (CSIR-NCL), Pune. (supervisor: Dr. P.A. Joy), January 2007.

PG: M.Sc. (Chemistry), Gauhati University, Guwahati, 2001. 

UG: B.Sc. (Chemistry), Gauhati University, Guwahati, 1998.

May 2022 – till date: Professor, Department of Chemistry, University of Delhi, Delhi-110007.

May 2019 – May 2022: Associate Professor, Department of Chemistry, University of Delhi, Delhi-110007.

1st June, 2010 – May, 2019: Assistant Professor, Department of Chemistry, University of Delhi, Delhi.

Visiting Fellow, School of Physical Sciences (SPS), 2019, JNU, New Delhi.

Adjunct Faculty (2017): Department of Chemistry, Islamic University of Science & Technology (IUST), Pulwama, Awantipora, Jammu and Kashmir, PIN-192122.

2009 - 2010: Senior Post Doctoral Researcher, Italian Institute of Technology (IIT), Genova, Italy. (mentor: Prof. Liberato Manna)

2007 - 2009: Post Doctoral Researcher, National Nanotechnology Laboratory, Scuola Superiore ISUFI, University of Salento, Lecce, Italy. (mentor: Prof. Liberato Manna)

 2001 - 2002: Project Research Fellow, Institute of Advance Study in Science and Technology (DST-IASST), Guwahati, India. 

Synthetic nanochemistry, Inorganic chemistry; Manipulation at the Interface and crystal facets, Advanced nanomaterials for energy conversion and storage (sustainable development); Green hydrogen, Nanomaterials for catalysis. Supercapacitor.

Detail Journal publications are in the Publication TAB

Patent

1.  “A process for producing aromatic carboxylic acids by oxidation of methyl arenes” Indian Patent application No. 1346/DEL/2013 dated 7th May 2013, Saha, B.; Deka, S.; Gupta, D.; Deori, K.

2.  “Octapod shaped nanocrystals and use thereof”, U.S. Patent Application no. 13/196123. Case No: 4161-65. (02-08-2011) L. Manna, D. Dorfs, Miszta, K.; Deka, S.; Genovese, A. G. Bertoni, R. Brescia, S. Marras, Y. Zhang, R. Krahne, R. Cingolani.

3.      “Method for manufacturing Sn-based bimetallic chalcogenides and the product thereof” Indian patent application number: 202311052905 Ref. No. TEMP/E-1/61587/2023-DEL Date/Time 2023/08/07. Javed Md., Sasanka Deka.

Books/Monographs (Authored)

1.  Krahne, R., Manna, L., Morello, G., Figuerola, A., George, C., Deka, S. 2013. Physical Properties of Nanorods. Springer publications,  NanoScience and Technology series, ISBN 978-3-642-36430-3

2.  Deka, S. 2011. Doped Transition Metal Oxide and Ferrite Nanocrystals. Lap Lambert Academic Publishing GmbH & Co. KG, Germany, ISBN 978-3-8443-2306-1. (sole author)

Book Chapter (Authored)

1.   Chauhan, H., Deka, S. 2021. Supercapacitors based on two-dimensional transition metal dichalcogenides and their hybrids. Chapter in “Fundamentals and Supercapacitor Applications of 2D Materials” Ed. Chandra Sekhar Rout & Dattatray J. Late. Elsevier, Radarweg 29, PO Box 211, 1000 AE Amsterdam, Netherlands. ISBN: 978-0-12-821993-5

2.  Antil, B., Deka, S. 2022. Porous Graphitic Carbon Nitride Nanostructures and Their Application in Photocatalytic Hydrogen Evolution Reaction. Chapter in “Heterogeneous Nanocatalysis for Energy and Environmental Sustainability” Ed. Putla Sudarsanam, Yusuke Yamauchi, Pankaj Bharali. Wiley, ISBN: 978-1-119-77202-6/ ISBN: 978-1-119-77199-9

3.  Gupta, R.; Yadav, D. K., Deka S., Ganesan, V. The Characterization Analysis of Graphene. Chapter in Graphene: Fabrication, Properties and Applications. Publisher Springer Nature Singapore. Print ISBN 978-981-99-1205-6

1. Elected as Fellow of the Royal Society of Chemistry, UK (2025)

2. IoE-DU best research publication award 2023 (Q1 journal).

3. Certificate of appreciation RSC Highly cited author as one of the top 5% most cited authors in Royal Society of Chemistry journals, UK, 2020

4. International Innovation & Research Excellence Award 2021, Center for Professional Advancement (CPACE), A Unit of IMRF with NITI Aayog, Vijaywada, AP.

5.     IOP Publishing Top Cited Paper Award-2020 (India) as one of the most cited articles from India published across the entire IOP Publishing journal portfolio in the past three years (2017 to 2019). Institute of Physics (IOP) publishing, Bristol, BS1 6HG, UK.

6. Best speaker (oral) in RSC workshop on Chemistry for tomorrow’s world, December 2-3, 2015 at New Delhi by Royal Society of Chemistry, London.

7. Honorary Member, American Chemical Society (2015-2018).

8. DAE-BRNS Young Scientist Award-2011 by Department of Atomic Energy, Board of Research in Nuclear Sciences, Govt. of INDIA.

9. TMS Foundation SHRI RAM ARORA AWARD, The Minerals, Metals & Materials Society (TMS), Warrendale, PA 15086-7514, USA, 2008.

10.  Award of Junior/Senior Research Fellowship (JRF/SRF-NET) by UGC-CSIR, Govt. of India, New Delhi, 2002-2004-2007.

11.  Best Poster Award, National Science day poster presentation, NCL Research Foundation, National Chemical Laboratory, Pune, India, 2006.

12. Award of National Level merit Scholarship by AICTE, Govt. of India, 1993-1995.

1. Invited talk: Nanoarchitectonics of non-precious metal based electrocatalysts for high throughput overall water splitting. RSC Meet the Editors session at Shiv Nadar University, Noida, UP on 11th February 2025.

2. Invited talk: Insights into the impact of nanoarchitectonic catalysts on enhanced hydrogen and oxygen evolution reactions. ACS Spring 2025, San Diego, CA & Virtual | March 23-27, 2025.

3. Invited talk: Seawater + Non-Precious Metal-Based Electrocatalysts for efficient Overall Water Splitting Reaction. 1st International Conference on ‘Innovation and Advances in Chemical Sciences (IACS-2025)’ January 24th to 25th, 2025, at Cotton University, Guwahati, Assam.

4. Invited talk: Non-Precious Metal-Based Electrocatalysts for efficient Overall Water Splitting Reaction. International Conference “Conference on Electrochemistry in Industry, Health and Environment (EIHE-2025)”, DAE Convention Centre, BARC, Anushaktinagar, Mumbai – 400094. January 21 to 25, 2025

5. Invited talk: Nanoarchitectonics of non-precious metal based electrocatalysts for high throughput overall water splitting "National Conference on Polymers and Advanced Functional Materials (NCPAFM)" December 13-14, 2024, IASST, Guwahati, Assam.

6. Invited talk: High throughput overall water splitting reaction for hydrogen evolution through nanoarchitectonics of non-precious metal based electrocatalysts. Indo-German bilateral workshop on “Catalytic-Chemical Processes for Tomorrow” 21.08.2024 - 23.08.2024. Indian Institute of Technology (IIT) Goa, Goa.

7. Invited talk: Nanoarchitectonics of non-precious metal based electrocatalysts for high throughput overall water splitting reaction. Banaras Hindu University (BHU), Varanasi, Uttar Pradesh. 26th July, 2024.

8. Nano Jatha 2024 Invited talk: Advances in Nanoscience for Sustainable Development. Miranda House, Delhi. 5th July, 2024.

9. Resource person, Chemistry FDP: Sustainable and Clean Energy: Use of nanostructured materials in electrochemical energy storage. Amity School of Applied Sciences, Amity University, Gurgaon, 18th June, 2024.

10. Invited talk: “Nanoarchitectonics of non-precious metal based electrocatalysts for high throughput overall water splitting reaction.” International Conf. on Nano Materials for Energy Conversion and Storage Application (NECSA -2024) Pandit Deendayal Energy University, Gandhinagar, Gujarat. 21-23rd Feb. 2024.

11. Resource person, Chemistry Refresher course: Jammu University, Jammu, 19 & 20th February, 2024.

12. Invited talk: “Advances in Nanochemistry for Energy Conversion and Storage” Inaugural Talk, Annual fest, Alchemesis. Chemistry Society of St. Stephen's College, University of Delhi. 14th February 2024

13. Invited talk: “Direct thermal polymerization approach to N‑rich highly electroactive carbon nitrides and their promising photocatalytic and charge storage activities” eighth International Conference on Electroactive Polymers (ICEP-2024), KIIT, Bhubaneswar (Odisha, INDIA) from 4th February to 8th February, 2024.

14. Invited talk: “Nanoarchitectonics of non-precious metal based electrocatalysts for high throughput overall water splitting reaction” 60th Annual Convention of Chemists (ACC-2023), Indian Chemical Society, (ICS) at IIT Delhi on 20th & 21st December 2023. 

15. Resource person "Distinguished Lecture Series" in "Future of Catalysis and Industrial Sustainability" 17th May, 2023. Department of Chemistry, The Assam Royal Global University, Guwahati-35, Assam

16. Invited talk: “Significantly improved Hydrogen and Oxygen Evolution Reaction by Nanostructured Electrocatalyst” 1st International Conference on “Recent Trends in Chemical Sciences and Sustainable Energy” March 24-25, 2023, Department of Applied Sciences, National Institute of Technology (NIT) Delhi, Delhi.

17. Invited talk: “An insight into the Hydrogen and Oxygen Evolution Reaction by Nanostructured Electrocatalysts” "International Conference on Nanomaterials for Electro-Catalysis Technology (I-CONECT 2023)" at Department of Chemistry, IIT Delhi on 20, 21, and 22 March 2023.

18. Invited talk: “Advanced nanomaterials for electrochemical energy conversion and energy storage” International Conference on "Recent Advances in Materials Chemistry and Catalysis, (RAMCC-2023)" during 1-3 March, 2023, Department of Chemistry, Dibrugarh University, Assam, India.

19. Invited talk: “Significantly improved Hydrogen and Oxygen Evolution Reaction by Nanostructured Electrocatalyst” International conference on electron microscopy & XLI annual meeting of electron microscope society of India (EMSI-2023) during February 08-10, 2023, University of Delhi, Delhi.

20. Invited talk: “Development of Nanostructured Materials for Electrochemical Energy Storage Devices” 30th edition of National Conference on Condensed Matter of physics “Condensed Matter Day (CMDAYS 2022), 14-16 December, 2022. National Institute of Technology Nagaland, Chumukedima-797103, Nagaland.

21. Invited talk: “Robust and Promising Hydrogen and Oxygen Evolution Reaction by Nanostructured Electrocatalyst” National conference on “Science for Society, Environment, and Sustainability (SSES-2022)” CSIR-North East Institute of Science & Technology (CSIR-NEIST), Jorhat, Nov. 24-26, 2022.

22. Resource person “Nanochemistry and useful instrumentation: Transmission and scanning Electron Microscopy” FDP on Recent Advances in Experimental Tools & Theoretical Techniques RAETTT-2022. 10 NOV. –16 NOV. 2022 Madan Mohan Malaviya University of Technology, Gorakhpur, Uttar Pradesh-273010.

23. Resource person “Sustainable and Clean Energy: Application of Electrochemistry on Nanomaterials” FDP on Recent Advances in Experimental Tools & Theoretical Techniques RAETTT-2022. 10 NOV. –16 NOV. 2022 Madan Mohan Malaviya University of Technology, Gorakhpur, Uttar Pradesh-273010.

24. Resource person “Chemical Safety and Ethical Handling of Chemicals: Few Selected Topics of Research Methodology in Chemistry” Refresher Course on Chemistry, 21st July 2022, CPDHE, UGC-HRDC, University of Delhi, Delhi, Delhi.

25. Key Note lecture “Sustainable and Clean Energy: Application of Nanomaterials”, 5th June 2022, in National symposium on ‘Environmental sustainability, Industrialization and health issues’ organized by Estern Karbi Anglong College and Assam Science Society, assam.

26. Popular lecture “Nanoscience: Big world of Small Things" 26th April, 2022, Pragjyotish College, Guwahati, Assam. 

27. Resource person “Recent Advances in Material Science for Sustainable Development in Energy Applications” 16-28 February, 2022. celebration of National Science Day, Department of Chemistry, Indira Gandhi University, Meerpur Rewari in collaboration with Department of Physics, Kurukshetra University, Kurukshetra, Under the liaison of Azadi ka Amrit Mahotsav.

28. Invited talk:  Advanced Nanomaterials for Water Splitting Reaction, International Conference on Emerging Trends in Nanomaterials Science & Technology (ICETNMST – 2022), 29-01-2022, Department of Science and Humanities, NIT Nagaland, Nagaland, India.

29. Resource person: Nanomaterials and their use in Electrochemical water splitting- Hydrogen/oxygen evolution FDP, 19th Refresher Course in Physical Sciences & Nano Sciences, 19-01-2022, UGC- HRDC, JNU New Delhi.

30. Invited talk : Nanostructured mixed metal oxides and layered double hydroxides and their charge storage characteristics 14th National Conference on Solid State Ionics (NCSSI-14), 16-18th December, 2021, Department of Physics and Astrophysics, University of Delhi, Delhi

31. Resource person: “Designing of electrodes for supercapacitor application, their study using electrochemistry from basic to calculation/data analysis.” Online Short Term Certificate Course on Electrochemistry from Basics to Applications, electrochemkuk Module 2, 11th July 2021, Kurukshetra University, Kurukshetra.

32. Resource person: “Electrochemical water splitting- Hydrogen/oxygen generation” Online Short Term Certificate Course on Electrochemistry from Basics to Applications, electrochemkuk2021, 21st June - 25th June, 2021 Kurukshetra University, Kurukshetra.

33. Invited talk: “Usefulness of nanostructured materials in energy conversion and storage” “Nano Era” Nanotechnology for Global, 7-11th June, 2021, Amity Institute of Nanotechnology, Amity University, Uttar Pradesh.

34. Invited talk: ‘Nanomaterials: Synthesis diverseness’, Indo US Webinar and Lecture Series, MHRD SPARC, Jamia Milia Islamia, June 1-9, 2021.

35. Invited talk: “Electrochemistry: Electrodes And Electrochemical Cells” at Three weeks Lecture Series(Virtual) On Chemistry Education, organized by Department of Chemical Sciences, Tezpur University, Tezpur, Assam, India during 28th January to 18th February 2021.

36. Invited talk: “Usefulness of nanostructured catalyst materials in water splitting reaction” at ChemCatCon 1.0 - Reactions on Surface” (online) hosted by IIT Gandhinagar. 11th and 12th July 2020.

37. Invited talk: “Basics of Nanoscience and its applications” at ‘An online workshop cum Guest lecture series on Chemistry Education for undergraduates’ (online) organized by Sibsagar College, Dibrugarh University, Assam. 18th December, 2020.

38. Invited talk: “Use of Nanostructured Materials for Sustainable Energy” (online) at National Seminar “Science for Sustainable Development” organized by B. Borooah College, Gauhati University, Guwahati. September 25-26, 2020.

39. Invited talk: “Nanostructured metal oxide and chalcogenide materials for energy conversion and energy storage applications” International Conference on Engineering Sciences & Technologies for Environmental Care (ESTEC-2020), organized by CSIR-North East Institute of Science & Technology (NEIST), Jorhat, Assam, India during February 20-22, 2020.

40. Invited talk/Resource person: “Nanomaterial synthesis: Challenges and safety concerns Environment and Nanosafety in DRDO Laboratories” 18th February, 2020.  The Centre for Fire, Explosive and Environment Safety (CFEES), DRDO, Delhi.

41. Invited talk / Special lecture series on Analytical Techniques: “Nanochemistry and useful instrumentation Transmission and scanning Electron Microscopy” D/o Chemical Sciences, Tezpur University, Tezpur, 20th January: 2020.

42. Invited talk: “Nanostructured Functional Materials for Energy Conversion and Energy Storage Applications”. National Conference on Advance Functional Materials-2019 NCAFM, November 20-21, Jamia Millia Islamia, New Delhi

43. Invited talk/Resource person: Basics of Nanochemistry and its application in Energy sectors. UGC- Human Resource Development Centre, 8th November. Jamia Millia Islamia, 7Th 2 Week Refresher Course in Basic Sciences (Interdisciplinary Sciences). 5th November to 19th November 2019

44. Invited talk: Introduction to Nanoscience. Miranda House College, Delhi University. 21st October, 2019

45. Resource person: NCERT ‘Customised Training of Teachers Teaching at Secondary and Secondary Specialised High Schools of Uzbekistan on STEAM and IFP’. Teaching Chemistry at Secondary and Higher Secondary Stages and Practicals in Chemistry. September 27, 2019. IRD, NCERT, New Delhi.

46. Invited talk: “Energy conversion and energy storage applications: Usefulness of nanostructured materials” at National Conference on Green, Sustainable and Evolving Sciences (GSES-2019) & 64th Annual Technical Session of Assam Science Society June 28-29, 2019; Cotton University, Guwahati, Assam.

47. Invited talk: “Development of 2D nanostructured materials for catalysis and energy storage applications” at Frontiers in 2D materials from Basic Science to Real time Applications, 13th - 16th March 2019, Jain University, Bengaluru.

48. Invited talk: “Development of nanostructured metal chalcogenide and oxide particles for catalysis and energy storage applications” in Half-a-day meeting/symposium at the Department of Chemistry, BITS Pilani, Pilani Campus, Rajasthan, on 9th March, 2019.

49. Invited talk: “Development of nanostructured metal chalcogenide particles for electrochemical energy conversion and metal oxide particles for electrochemical energy storage applications” at Indo-UK Newton-Bhabha Workshop on Electrochemical Routes to Energy Storage, Energy Conversion and Fuel Production" December 10-13th, 2018 at JNCASR, Bangalore, India.

50. Invited talk: “Inorganic Nanomaterials for Catalysis, Energy Conversion and Storage: A Brief selected overview from the PI`s Lab” Leibniz University Hannover (LUH), Germany-India workshop on strategic partnership, 3rd-6th December 2018 at Leibniz University Hannover, Hanover, Germany.

51. Invited talk: "Introduction to Nanoscience" at Miranda House college, University of Delhi, 31st October, 2018.

52. Invited talk: "Copper Cobalt Sulphide Nanosheets Realizing Promising Electrocatalytic Oxygen Evolution Reaction" at One-day discussion meeting on Chemistry of Nanomaterials, Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR), Bangalore, on 17th July, 2018.

53. Invited talk: “Nanostructured inorganic materials and their applications” TEQIP-III sponsored Faculty Development program "Polymer Analysis and Applications: Current Scenario, 4-8 June, 2018, Department of applied Chemistry, Delhi Technical University, Delhi-42

54. Invited talk: “Development of transition metal based alloy and chalcogenide nanoparticles and their emerging applications” at March Meeting, 16-17 March, 2018. School of Physical Sciences, Jawaharlal Nehru University, New Delhi-110067, India.

55. Invited talk: “Ag1−xNix alloy nanoparticles and CuCo2S4 nanosheets and their useful catalytic Applications” at International Conference on Nanobiotechnology, February 5-6, 2018, Centre for Interdisciplinary Research in Basic Sciences, Jamia Millia Islamia, Jamia Nagar, New Delhi 110025.

56. Plenary talk: “Metal alloy and chalcogenide nanoparticles for few useful catalytic applications”, at International Conference on Nano- and Functional Materials: Interface between Science and Engineering (NFM-2017), 16-18 November 2017, BITS-Pilani, Pilani Campus, Rajasthan.

57. Invited talk: “Nanoscience and Nanotechnology” Department of Chemistry, Miranda House, DU, November 6, 2018.

58. Memorial lecture: Dr. C.K. Khurana Memorial lecture for Rasgandhayan, Gargi College, DU, September 6 2017.

59. Invited talk: “Exploration of multiply twinned AgNi alloy nanoparticles as highly active catalyst for multiple transformation reactions” at International Conference on Catalysis and Chemical Engineering" (CCE-2017), February 22-24, 2017 Baltimore, USA. Organized by the: United Scientific Group, 2088 B2 Walsh Avenue Santa Clara, CA 95050, USA.

60. Invited talk: “Exploration of unique two dimensional CdSe/CdS core@shell hexagonal nanoheteroplateles and CdSe/CdS-Au hybrid nanocrystals” at The International Conference of Young Researchers on Advanced Materials (IUMRS-ICYRAM 2016) 11-15, December 2016, IISc-Bangalore, INDIA. (14-12-2016).

61. Invited talk: “Exploration of AgxNiy alloy and Ag@AgxNiy core/graded-alloy-shell nanostructures in catalytic applications” at International Conference on Technologically Advanced Materials and Asian Meeting on Ferroelectricity, ICTAM-AMF10, November 7-11, 2016. University of Delhi. (9-11-2016)

62. Invited talk: “Inorganic Nanoparticles: Synthesis, Characterization and Multifunctional applications” at the FUB-DU Joint Research Workshop on Supramolecular Chemistry and Nanoscale Systems, Freie Universität Berlin, Berlin, Germany. June 8-10, 2016

63. Invited talk: :(emphasis on academics and research for undergraduate students) “NanoScience:
    Big Word of small Things” Kirori Mal College (KMC), University of Delhi, January 23, 2016.

64. Invited talk: “Multifunctional applications of few nanostructured inorganic materials” International Conference on Advanced materials-- Energy, Environment and Health (ICAM- 2016) March 04-07, 2016, Department of Chemistry, Indian Institute of Technology-Roorkee (IIT-Roorkee).

65. Invited talk: “Development of CeO2 nanocube and Cu2ZnSnS4 nanoparticles for multifunctional applications” International Conference on Materials Science & Technology (ICMTECH)-2016, Conference Centre, University of Delhi, India, 01st - 04th March, 2016 (by IAAM, VBRI press and DU)

66. Invited talk: “Synthesis, characterization of multifunctional applications of inorganic nanomaterials”  Leibniz Universität Hannover, Hannover, Germany. December 10, 2015.

67. Resource person: “Application of Nanotechnology in Environmental Remediation”, 18th June 2015, Refresher course in Disaster Management & Environmental Studies ID (I), UGC-Human Resource Development Centre, Gauhati University, Guwahati-14.

68. Invited talk: “Morphology oriented nanocrystals for catalytic and energy applications” at 2nd Indo-German Workshop on Supramolecular Chemistry, March 30th, 2015, University of Delhi.

69. Plenary Talk: “Multifunctional Inorganic Nanocrystals: Synthesis, characterization and applications” Seminar on nanochemistry, Sam Higginbottom Institute of Agriculture, technology and sciences, Allahabad, UP. 11-12 Nov, 2014.

70. Invited talk: “Synthesis, characterization and applications of multifunctional inorganic nanoparticles” NanoSci-2014, DST- Institute of Advanced Study in Science and Technology (IASST), Guwahati, Assam. 20-21 December 2014.

71. Invited talk “Nanomaterials as highly active catalyst for multiple significant reactions” at Italian Institute of Technology, Genova, Italy on 21-29 June, 2014.

72. Invited talk: 1st International Conference on Emerging Trends of Nanotechnology in Drug Discovery, 26-27 May 2014, Sri Venkateswara College, University of Delhi and Department of Biochemistry, University of Delhi South Campus.

73. Resource person: “Nanomaterials by solution based chemical synthesis procedures,” 20th May 2014, Refresher course in Basic Sciences (Interdisciplinary), UGC-Academic Staff College, Jamia Millia Islamia, New Delhi.

74. Invited talk: Science Academies Lecture-Workshop Nanotechnology and its application, 18-20 January 2013 in MMME college, Gorakhpur, U.P. Organized by NASI Allahabad, INSA Delhi, IAS Bangalore.

75. Invited talk: Indo-German workshop on "New Perspectives for Nano-carriers in Biomedical Applications" 14th January 2013, Department of Chemistry, University of Delhi.

76. Invited expert talk: Vigyan Prasar EduSAT network, DST, Govt. of India on “Nano Technology an Introduction” on 24th January 2013 during 10.30 AM to 1.00 PM at C-24 Qutub Institutional Area New Delhi-110016, for the students of class XI and XII.

77. Invited talk: Career and Higher Education, 4th June 2012, Seminar: Career Prospect in Higher Education, Career guidance cell, Pub-Kamrup College, Baihata Chariali, Kamrup, Assam.

78. Resource person: NanoScience and its applications in Biotechnology, 5th May 2012, Refresher course in Basic Sciences (Interdisciplinary), UGC-Academic Staff College, Jamia Millia Islamia, New Delhi.

79. Invited talk: Nanoscience and Nanotoxicology, 22nd February 2012, Solid State Physics Laboratory (SSPL)-DRDO, Delhi.

80. Resource person: NanoScience and its applications in Biotechnology, 16th June & 19th June 2011, Refresher course in Basic Sciences (Interdisciplinary), UGC-Academic Staff College, Jamia Millia Islamia, New Delhi.

81. Invited talk: “Multifunctional Hybrid Nanocrystals: Synthesis, Characterization and Applications” at National Seminar on Recent advances in synthesis and catalysis (RASC-11) during 10-12th Feb 2011, Dibrugarh University, Dibrugarh, Assam. (10th Feb)

82. Special talk: NanoScience: Big Word of small Things, 10th September 2010, Department of Chemistry, University of Delhi, Delhi.

83. Invited talk: Nanochemistry: Basic Understanding and Applications, 28th June 2010, B. Borooah College, Guwahati.

• Joint Director, USIC, Delhi University.

• Executive council member, Electron Microscope Society of India (2020-2022)

• Member of the Advisory Committee of the University Science Instrumentation Centre (USIC), University of Delhi.

• Member of the committee of courses for undergraduate studies in chemistry, faculty of science (2022-2024)

• Member of the Departmental Research Committee (DRC) (2022-2024)

• External member of the Board of Studies of the Faculty of Physical, Chemical & Mathematics Sciences of the Cotton University, Panbazar, Guwahati-781001, Assam.

• External member of the Board of Studies for M.Sc. (applied chemistry) of the MIT- ADT University, Pune, Rajbaug, Loni Kalbhor, Pune - 412 201, India. (2021-2022).

• Committee Members of Formulation of Chemistry Courses under UGCF 2022, UGC-NEP, University of Delhi.

• Council member, committee of Courses for Post-Graduate Including Honors and Under- Graduate studies Chemistry, University of Delhi. (2021-  2023)

• Member of the Department Bill Committee (2021-till date)

• University central NAAC committee (2019- till date)

• Member of Delhi University QS ranking committee, University of Delhi.

• Member of the Special Task Force for Global Ranking, University of Delhi.

• Member of the core advisory committee for Alumni affairs office (AAO), University of Delhi.

• Deputy Superintendent of Examination-NSNT and Chemistry;

• Member Seminar Committee Chemistry;

• Member departmental and USIC instrument committee;

• Convener of NSNT conference;

• Deputy convener centralized evaluation Centre (2013)

• Departmental Nodal officer for North-East Students.

• Convener Inorganic section.

• Member of UGC-SAP II for department (2017-2020).

• Member of departmental Anti Ragging Committee (2017-2020).

Associate Editor, Reviewer, editorial board member, review editor, project evaluator, etc.