• Participated in a webinar on topic " National Education Policy and Open Digital Education" organized by ILLL, University of Delhi held on 12-13 October 2020.

• Participated in a workshop on "Global Standards forAssements in a Digital First World: A future prespective" held on 20 December 2019 hosted by India-ATP in Delhi.

• Participated in e-Yantra Symposium at ERTS Lab, Department of CSE, IIT Bombay, Powai, Mumbai from 5-6th April 2019.

• Participated in a workshop on Revamping Exam Standards in India: Improving Evaluation and Assessments for Higher Education and Professionals held on 30 November 2018 hosted by India-ATP in Delhi.

• Participated in workshop of Design Innovation Centers during Festival of innovation and Entrepreneurship 2018 held at Rashtrapati Bhavan, New Delhi on 22 March 2018.

• Participated in International Conference on Technologically Advanced Materials (ICTAM) held in University of Delhi from November 7-11, 2016

• Keynote Speaker in 2nd International Conference on Science, Technology and Management organised by Conference World AR Research Publication and held on 27th September 2015 at University of Delhi. Title of the talk “Innovation at undergraduate Level: Need for Industrial and Academic Linkage”.

16. “Study on effect of argon ion irradiation on Sb2Se3 thin films” International Conference on Electron Microscopy (EMSI-2014), July 7-11, 2014, University of Delhi, Delhi, Author: Pankaj Tyagi

• Participated in the “World Conference on Global Innovation” organised by Human Life Advancement Foundation (HLAF) held on 27th March 2013 at Putra World Trade Centre, Kuala Lumpur, Malaysia.

• Participated in the International Conference “The Legacy of Srinivasa Ramanujan” organised by University of Delhi from 17-22 December 2012 and worked as member of Local Organizing Committee.

• Participated in the Academic Congress “Enabling the Young : Redefining Education” organized by University of Delhi from September 6-7, 2012 and acted as rapporteur for the session “Integrating Mind, Body, and Heart” with Mr. Sanjeev Bhargava, Founder, SEHER, and Mr. K. Srikkanth, Chief Selector of the Indian Cricket team as speaker.

• Acted as Co-convener in organizing “International Conference and Workshop on Nanostructured Ceramics and other Nanomaterials ” (ICWNCN-2012), March 13-16, 2012 by Department of Physics & Astrophysics, University of Delhi, Delhi, India

15. “Anisotropic nature of optical band gap of SrI2 thin films” International Conference and Workshop on Nanostructured Ceramics and other Nanomaterials ” (ICWNCN-2012), pp – 203-204, March 13-16, 2012 by Department of Physics & Astrophysics, University of Delhi, Delhi, India, Authors: Pankaj Tyagi, Vikas Gulia, N.C.Mehra & A.G. Vedeshwar

14. “Nano-Tubes and Tapes like formation in heat treated PbI2 thin films” International Conference on Electron Nanoscopy ” (EMSI-2011), pp – 333-334, July 6-8 , 2011 by Defence Metallurgical Research Laboratory (DMRL), Hyderabad, India. Authors: Pankaj Tyagi, A.G. Vedeshwar, V. Gulia & N.C.Mehra

13. “Nucleation and Growth in PbI2 thin films” International Conference on Advances in Electron Microscopy and Related Techniques” (EMSI-2010), pp – 180-181, March 8-10, 2010 at Bhabha Atomic Research Centre (BARC), Mumbai, India., Authors: Pankaj Tyagi, A.G. Vedeshwar, V. Gulia & N.C.Mehra

12. “Single crystal growth of BiI3 by thermal evaporation: TEM investigations” National Conference on Electron Microscopy & Allied Fields (EMSI-2009) , pp-83-84, January 17-20, 2009, Bundelkhand University, Jhansi. Authors: Pankaj Tyagi, Chhavi Ranjan, Karnik Pandya, N.C.Mehra & A.G. Vedeshwar

• Acted as Co-convener in organizing “International Conference on Electroceramic (ICE-2009)”, December 13-17th 2009, Department of Physics & Astrophysics, University of Delhi

11. “Morphology of different (hkl) oriented films of some metal iodides” National Conference on Electron Microscopy & Allied Fields (EMSI-2007), pp-82-83, November 26-28, 2007, University of Delhi, Delhi. Authors: Pankaj Tyagi, Vinod Paliwal, Vikash Gulia, N. C. Mehra and A. G. Vedeshwar

10. “Thickness dependent morphology of BiI3 films” National Conference on Electron Microscopy & Allied Fields (EMSI-2007), pp-86-87, November 26-28, 2007, University of Delhi, Delhi. Author: Karnik Pandya, C. Ranjan, Pankaj Tyagi, N. C. Mehra and A. G. Vedeshwar

9. “Morphological study of argon ion irradiated Sb2Se3 films in a dense plasma focus device” Proceedings of 2nd International conference on current developments in atomic, molecular and optical physics with applications (CDAMOP), March 21-23, 2006, University of Delhi, Delhi, Authors: Pankaj Tyagi, N. C. Mehra and A. G. Vedeshwar

8. “Laser induced exit surface damage morphology in Yttrium Aluminum Phosphate” XXVI Annual Conference on Electron Microscopy & Allied Fields, (EMSI-2003), April 16-18, 2003, CPRI, Shimla (H.P.) Authors: Amit Garg, Avinashi Kapoor, K.N. Tripathi, Pankaj Tyagi and N. C. Mehra

7. “Faster optical data storage in Sb2Te3 films” XXVI Annual Conference on Electron Microscopy & Allied Fields,(EMSI-2003), April 16-18, 2003, CPRI, Shimla (H.P.) Authors: Pankaj Tyagi, A. G. Vedeshwar, V.K.Paliwal, Amit Garg and N. C. Mehra

6. “Experimental observation of energy band gap variation with grain size for CdI2 films” XXVI Annual Conference on Electron Microscopy & Allied Fields, (EMSI-2003), April 16-18, 2003, CPRI, Shimla (H.P.) Authors: Pankaj Tyagi, A. G. Vedeshwar, V.K.Paliwal, Amit Garg and N. C. Mehra

5. “Residual stress dependent optical properties of CdI2 films” XXV Annual Conference of EMSI on Electron Microscopy & Allied Fields,(EMSI-2002) Abs. No.- 95, Feb 19-22, 2002, IIT Bombay, Powai, Mumbai. Authors: Pankaj Tyagi, A. G. Vedeshwar, V.K.Paliwal and N. C. Mehra

4. “Thickness dependent optical properties of ZnI2 films” XXV Annual Conference of EMSI on Electron Microscopy & Allied Fields, (EMSI-2002) Abs. No.-94, Feb 19-22, 2002, IIT Bombay, Powai, Mumbai. Authors: N. C. Mehra, Pankaj Tyagi and A. G. Vedeshwar

3. “Excitonic absorption and its residual stress dependence in ZnI2 films” Proceedings of National Symposium on Science and Technology of Vacuum and Thin Films, pp-46, Sept 5-7, 2001, Indian Institute of Science, Bangalore. Authors: A.G. Vedeshwar, Pankaj Tyagi and V.K. Paliwal

2. “Effect of heat treatment in CdI2 films” XXIV Annual Conference of EMSI on Electron Microscopy & Allied Fields, (EMSI-2001) pp-165, Feb 9-11, 2001, RSIC/CIL , Punjab University, Chandigarh. Authors: N. C. Mehra, Pankaj Tyagi and A. G. Vedeshwar

1. “The growth of (102) and (002) preferred orientations of crystallites in HgI2 films : The thickness dependence” XXIV Annual Conference of EMSI on Electron Microscopy & Allied Fields,(EMSI- 2001) pp-87-88, Feb 9-11, 2001, RSIC/CIL , Punjab University, Chandigarh. Authors: Pankaj Tyagi, A. G. Vedeshwar and N. C. Mehra