Oral presentation entitled “Synthesis of XylNAc-isofagomine” at 229th ACS National Meeting, March 13-17, 2005, San Diego, CA.
Oral presentation entitled “2’-Deoxynucleosides through 2’-thio-S-acetyl participation”. Mid Atlantic Regional Meetings (MARM), 22-24th May, 2005, New Jersey, USA.
Invited lecture entitled “Synthesis of salicylihalamides A & B” at AOCCB ACS-CSIR conference held on 11th-12th January, 2006, Hyderabad, India.
Talk on "Complexity minimized natural product synthesis: An approach for better potency" in One day workshop by Programme Advisory Committee on Organic Chemistry, Department of Science and Technology 15th November, 2007.
Invited lecture entitled New trends in medicinal chemistry with relevance to natural products Rendezvous of Chemists – Novel Trends in Medicinal Chemistry, one day symposium at Loyola Academy Degree & P.G. College on 19th February, 2008, Hyderabad, India.
Invited lecture entitled “Total synthesis of lactone containing natural products and their derivatives” at 1st One-day symposium, Indo-French joint laboratory for sustainable chemistry at interfaces, Hyderabad, 21st July, 2008.
Oral presentation entitled “Total synthesis of lactone containing natural products” in OSHWB 2010 symposium (1-4th August, 2010), Hyderabad.
Invited lecture entitled “Total synthesis of Lactone containing natural products” in University of Rennes, France. 22nd December, 2010.
Invited lecture entitled “Emerging techniques and total synthesis of natural products” in one day workshop on Techniques in Organic Synthesis and Natural Product., Adikavi Nannaya University, Rajahmundry, 7th April, 2011.
Plenary lecture entitled “Total synthesis of natural products with lactone functionality” in three day conference at ISCBC-2012 “Extending Horizons in Chemical and Biological Sciences: Innovation Crossroads, 17th International Conference of Indian Society of Chemists and Biologists, Solapur University, Solapur 21-24 January, 2012.
Invited Lecture entitled "Total synthesis of macrolide natural Products", IIT Kharagpur, 26th February, 2013.
Invited Lecture entitled “Achmatowicz rearrangement: Synthesis of di and tetra-hydropyran containing natural products: Aspergillide B and C, C1-C16 of sorangicin A and pseudomonic acid methyl monate C” in International Symposium on “Nature Inspired Initiatives in Chemical Trends” NIICT-2014, CSIR-IICT, Hyderabad, March, 2-5, 2014.
AVRA Young scientist Award Lecture entitled “Synthesis of di and tetra-hydropyran containing natural products: Aspergillide B and C, C1-C16 of sorangicin A and pseudomonic acid methyl monate C” on 2nd April, 2014 at IICT Auditorium, Hyderabad.
Seminar on Asymmetric synthesis for Three week refresher course on innovation methods in green and applied chemistry. 28 july to 19th August, 2014 at JNTU, Hyderbad.
Invited lecture on "Accessibility to di and tetra-hydropyran ring containing natural products through Achmatowic rearrangment: Synthesis of Aspergillide B, C, and pseudomonic acid methyl monate C" in National Symposium on Transcending Frontiers in Organic Chemistry October 09-11, 2014, CSIR-NIIST, Thiruvananthapuram
Invited Lecture entitled "Syntheses and Structural Revision of Paecilomycins" in Indo French symposium "NEW TRENDS IN CHEMISTRY AND CHEMICAL BIOLOGY WITH A SPECIAL FOCUS ON CNS DISORDERS” (NTCCB-2014), November 9-12, 2014, at Pondicherry.
Invited lecture entitled "Importance of Chemistry in Human life" as part of DST sponsored Inspire internship science camp-2016 at S. G. Govt. Degree College, Piler, Chittoor Dist, A.P. 7-11, August, 2015.
Invited Lecture entitled "Total synthesis of sanctolide A", March, 17-18, 2016 at University of Rennes 1, France.
Invited lecture entitled "Natural Product Synthesis" as a part of Refresher course in Recent Trends in Chemical Sciences, by UGC-Human Resource Development Centre, University of Hyderabad, Hyderabad. 26th July, 2016.
Invited lecture entitled "Role and importance of Chemistry in Human life" as part of DST sponsored Inspire internship science camp-2016 at S. G. Govt. Degree College, Piler, Chittoor Dist, A.P. 2-6th November, 2016.
Invited short talk entitled "Total synthesis of palmyrolide A and sanctolide A" at ICOS 21, 21st International conference on organic synthesis at IIT Bombay, 11-16 december, 2016.
Invited lecture entitled "Intramolecular coupling of vinyl iodide with 1o / 2o amides: Application in stereoselective total synthesis of palmyrolide A" New Dimensions of Chemistry, May 3-5, 2017, Jim Corbett National Park, Uttarakhand,
Invited lecture entitled "Role of Chemistry in Human life" as part of DST sponsored Inspire internship science camp-2017 at P. V. K. N. Govt. Degree College, Chittoor Dist, A.P., 26th September, 2017
Invited talk entitled " Total Synthesis and Diversity Oriented Synthesis of Small Molecules for Neurotherapeutic Properties" in Emerging Medicinal Chemistry Approaches against Neuropsychiatric and Neurodegenerative Diseases, 27-28th November, 2017, (Med Chem-2017)Indian Institute of Technology Madras, Chennai - 600036.
Invited talk entitled "Chemistry: Role in Human Life, DST sponsored INSPIRE INTERNSHIP SCIENCE CAMP-2017, 25-29 November, 2017, At S. G. Govt. Degree College, Piler, A.P.
Invited talk entitled "Trends in Medicinal Chemistry" as part of faculty development program on "Applied Chemistry", NITTTR extension centre, Hyderabad. 19-23rd Feb, 2018.
Invited talk entitled "Total Synthesis and Diversity Oriented Synthesis of Small Molecules for CNS Therapeutics" VIT University, Vellore, 22nd March, 2018.
Invited talked entitled Recent Trends in Drug Discovery" as part of faculty development program on "Applied Chemistry", NITTTR extension centre, Hyderabad, 21-25 May, 2018.
CDRI Awards 2018 for Excellence in Drug Research in the Area of Chemical Sciences, award lecture entitled "Target and Diversity Oriented Synthesis of Spirocyclic Molecules, 26th September, 2018.
Invited talk entitled "Importance of Chemistry in Human Life", DST sponsored INSPIRE INTERNSHIP SCIENCE CAMP-2018, 24-28th October, 2018. At P. V. K. N. Govt.College, Chittoor, A.P.
Invited talk entitled "Sustainable Chemistry: Its role in human life", DST Sponsored INSPIRE INTERNSHIP SCIENCE CAMP-2019, 3-7 February, 2019. At GDC (autonomous)-Tuni, East Godavari, A.P.
Invited talk entitled Natural Product Inspired Diversity Oriented Synthesis of Spirocyclic Molecules, Ind-French Symposium on Natural Products and Synthesis Towards Affordable Health (NPSAH), September, 30-October 1, 2019, University of Rennes 1, France.
Invited lecture entitled "Natural Product Inspired Diversity Oriented Synthesis of Spirocyclic Molecules" at International Chemical Biology Society-8th Annual Conference on "Navigating Translational Discoveries", November, 2-4, 2019 at CSIR-IICT, Hyderabad.
Invited lecture entitled "Nitromethane as carbanion source for the synthesis of polyfunctional naphthalenes and carbazoles: Total synthesis of macarpine, carbazomycin A, calothrixin B and staurosprinone" at NOST Organic Chemistry & Biomolecular Chemistry Conference, 6-8th November, 2019, RMIT Melbourne, Australia.
Invited talk entitled "Natural product inspired diversity oriented synthesis of spirocyclic molecules" at UNSW, Sydney, Australia on 11th November, 2019.
Invited talk entitled "Stereoselective total synthesis of dolabriferol and efforts towards the macrocyclic core of callyspongiolide" at CHIRAL INDIA 2019, 8th international conference and exhibition with theme on Leveraging new chemistries and technologies: Chiral and beyond, December 4-5, 2019 - Ramada Plaza Palm Grove, Juhu, Mumbai.
Invited talk entitled "Role of Chemistry and Chemists in Human Life" DST Sponsored INSPIRE internship science camp-2020, 5-9th February, 2020 at PVKN Govt College(Autonomous)-Chittoor, A. P.
Webinar Invited talk entitled "Role of Chemists for Covid-19" at Dantuluri Narayana Raju (DNR) college, Bhimavaram, West Godavari District, A. P. 8th June, 2020.
Invited talk entitled "Significance of Flow Chemistry in API Synthesis" NIPER, Kolkata, 14-16 dec, 2020 (Virtual).
CRSI-Bronze Medal Lecture entitled "Synthesis of Macrocyclic Framework of Callyspongiolide and an Integrated Continuous Flow Total Synthesis of Daclatasvir" at 27th CRSI - National Symposium in Chemistry, IISER Kolkata, 26-29th September, 2021.
Invited lecture entitled "Opportunities in continuous flow process: Synthesis of APIs celecoxib, sildenafil and daclatasvir" at XXI NOST Organic Chemistry Conference, Hotel Leela Palace, Chennai, 25-28 November, 2021.
Invited lecture entitled "Opportunities in continuous flow process: Synthesis of APIs celecoxib, sildenafil and daclatasvir" at 2nd Flow Chemistry Symposium, NIPER Kolkata, 8-10th December, 2021 (Virtual).
Invited lecture entitled "Emerging trends in organic synthesis" at One day state level conference o recent innovations in chemistry and its role in medicine, Jyothishmathi institute of pharmaceutical sciences, Karimnagar, 18th December, 2021.
Invited lecture "Importance of Chemistry and Role of Scientist" on National Science Day, 24th February, 2022, Lal Bahadur College Post-Graduate Centre, Warangal.
Invited lecture for M.Sc students on "Opportunities in continuous flow process: Utility in the synthesis of celecoxib, sildenafil and daclatasvir" at University of Hyderabad, Gachibowli, 19th April, 2022.
Invited lecture entitled "Integrated Continuous Flow Process: Application in API Synthesis" at Flow Chemistry Technology Summit 2022, DRILS, Hyderabad, 4-5 November, 2022.
Invited lecture entitled "“Stereoselective Total Synthesis of Dolabriferol, Macrocyclic Core of Callyspongiolide and Application of Flow Chemistry in API Synthesis” Symposia on Advances in the Natural Products Research for the Treatment of Infectious Diseases and Metabolic Disorders Nov 18-19, 2022 – NIPER, Hyderabad.
Invited lecture entitled "Integrated Continuous Flow Process for Fast Synthesis of APIs" at 3rd Flow Chemistry Symposium, 19th December, 2022, NIPER Kolkata.
Invited lecture entitled "Importance of chemistry & Role of chemists" in Osmania Taksh 2023 celebrations and one day national conference on "Innovations & Applied Aspects of Science and Technology" on 25th April, 2023, University College of Science, Saifabad.
Invited lecture entitled "Stereoselective Total Synthesis of Resorcylic Acid Lactones Zeaenol and Cochliomycin A and Efforts towards Macrocyclic Core of Callyspongiolide and Application of Flow Chemistry in API Synthesis" at Flow Chemistry and Natural Product Synthesis symposium at IITKharagpur Research Park, by NIPER Kolkata, Kolkata during 18-19th December, 2023.
Invited lecture entitled "stereoselective total synthesis of aspergillides A,B,C, Pseudomonic acid methyl ester through Achmatowicz reaction: Flow process for Achmatowicz reaction and darunavir" at 5th Flow chemistry natural product synthesis symposium, IIT Kharagpur Research Park auditorium AA3, Newtown, Kolkata. organized by NIPER Kolkata during 7-8th November, 2024.
Invited lecture entitled "Stereoselective Total Synthesis of Di-Tetrahydropyran containing Molecules through Achmatowicz reaction: Flow Process for Achmatowicz Reaction and API Darunavir, IISERBhopal 10th March, 2025.
Invited lecture entitled "Accessing Di-Tetrahydropyran containing Molecules through Achmatowicz reaction: Flow Process for Achmatowicz Reaction and API Darunavir" during conference on Innovative Processes for Bulk Drugs (IPBD-2025) on 27-28th March, 2025 at NIPER Hyderabad.
Posters presented in conferences/symposiums:
Oral presentations by Research Fellows:
Visited ZPHS Indiranagar Siddipet as Guest of Honour/Subject Expert to inaugurate Science popularization activity entitled "Awareness Generation of Science through Science Exhibition/Mela and Face to Gace programme with Eminent Scientist /Subject Experts" 13th November, 2024