Invited Speaker, Topic: Flexible Devices for Eco-Sustainable Electronics, IWE1-Institute of Materials in Electrical Engineering 1, RWTH Aachen University, Aachen, Germany, March 30, 2023.

Invited Speaker, CM@S Colloquium, Topic: Flexible Organic Electronic Devices for Eco-Sustainable Electronics, University of Wuppertal, Wuppertal, Germany, March 29, 2023.

Invited Speaker, Topic: Flexible Organic Transistors and Memory Devices for Eco-Sustainable Electronics, Institute of Solid State Physics, University of Bremen, Bremen, Germany, March 21, 2023.

Invited Speaker, Topic: Flexible Electronics, Faculty of Engineering, Free University of Bozen-Bolzano, Bolzano, Italy, January 18, 2023.

Invited Speaker, Topic: Flexible and Multifunctional Devices for Green Electronics, Department of Physics, Computer Science and Mathematics, University of Modena and Reggio Emilia, Modena, Italy, January 17, 2023.

Expert Talk and Guest for Valedictory Function, DST-STUTI Workshop, Punjab Engineering College (PEC), Chandigarh, November 21-27, 2022.

Invited Speaker, Workshop on "Emerging Devices, Circuits and Systems" Centenary Celebration of Delhi University and 75th Anniversary of the Transistor Invention, IEEE EDS Delhi Chapter & Delhi University, November 15-18, 2022. (Virtual)

Guest-of-Honour for the valedictory function, and Keynote Speaker: AICTE Training and Learning (ATAL) Academy, sponsored FDP on "Advancement in VLSI Interconnects and Nanoscale Devices" ABV-IIITM Gwalior, during October 03-14, 2022.

Invited Speaker, IEEE UP Section Webinar "Flexible Devices for Organic and Green Electronics", IIT BHU, July 21, 2022. (Virtual)

Invited Speaker, "High Performance Flexible Organic Field-Effect Transistors for Biodegradable Electronics" SCDT-FlexE Center Webinar, IIT Kanpur, March 15, 2022. (Virtual)

Invited Speaker, XXI International Workshop on Physics of Semiconductor Device (IWPSD 2021), Jointly Organized by SSPL and IIT Delhi, Delhi, India, December 14-17, 2021.

Resource Speaker: AICTE Training and Learning (ATAL) Academy, sponsored short term course on "Nano-sensors" during July 5-9, 2021, IIT Jodhpur, July 05-09, 2021.

Resource Speaker: FDP on Novel Nanomaterials-based Flexible and Wearable Devices for Healthcare Applications, VIT Chennai, July 05-09, 2021.

Resource Speaker: AICTE Academy sponsored FDP on "Recent Advances and Challenges in Nanoscale Devices: Design, Materials, and Applications Perspective", ECE Department, NIT Hamirpur, June 01-05, 2021.

Resource Speaker: STP on "Emerging Nanoscale Devices, Circuits and Its Applications (NANODC-21)", Delhi Technological University, May 10-14, 2021.

Resource Speaker: TEQIP III sponsored workshop on "VLSI BASED SYSTEM DESIGN", Department of ECE, IIIT Guwahati, March 12-14, 2021.

Resource Speaker: Refresher Course in Sciences: Organic Electronics, UGC-HRDC University of Rajasthan Jaipur, February 15-27, 2021.

Resource Speaker: QIP-sponsored FDP entitled "Emerging Trends in VLSI and Nanoelectronics for Building Atmanirbhar Bharat", IIT Indore, February 15-20, 2021.

Resource Speaker: TEQIP III Sponsored Five Days STC on Industry-Academia Convergence in ECE, NIT Uttarakhand, October 28-November 01, 2020.

Resource Speaker: STP and FDP cum workshop on I-BioMEMS, IIIT Allahabad, September 22-28, 2020.

Resource Person: TEQIP-III sponsored FDP on VLSI Design for Signals and Systems, organized by Assam Science and Technology University, IIT Guwahati, Assam, India, Feb. 28-29, 2020.

Invited Speaker: 64^th Department of Atomic Energy-Solid State Physics Symposium (DAE-SSPS 2019), organized by DAE and IIT Jodhpur, IIT Jodhpur, Rajasthan, India, December 18-22, 2019.

Invited Speaker: 6^th International Conference on Advanced Nanomaterials and Nanotechnology, ICANN-2019, organized by Centre for Nanotechnology, IIT Guwahati, Assam, India, December 18-21, 2019.

Resource Person: DST-SERB & TEQUIP-III sponsored National Workshop on Modeling of Novel Nanoelectronics Devices and Circuits for ULSI Technology, NIT Silchar, Assam, India, April 26-30. 2019.

Resource Person: TEQIP-III sponsored Short Term Course (STC) on Recent Trends in Nanoscale Device Physics, organized by NIT Uttarakhand, Satellite Campus, MNIT Jaipur, Rajasthan, India, Sept. 16-20. 2019.

Invited Speaker: XIX International Workshop on the Physics of Semiconductor Devices (IWPSD 2017), jointly organized by Solid State Physics Laboratory and IIT Delhi, Delhi, India, December 11-15, 2017.

Invited Speaker: 5^th International Conference on Advanced Nanomaterials and Nanotechnology, ICANN-2017, organized by Centre for Nanotechnology, IIT Guwahati, Assam, India, December 18-21, 2017.

Invited Speaker: AICTE sponsored STTP on "Modeling and Simulation of Advanced Semiconductor Devices" organized by Department of Electronics Engineering, IIT (BHU), Varanasi, India, July 20. 2017.

Plenary Speaker: International Conference on Large Area Flexible Microelectronics (ILAFM 2016), RVCE Bangalore, December 20-22, 2016

Invited Speaker, TEQIP-II Sponsored STC on "Modeling and Simulation of Microelectronics Devices and Circuits (MSMDC 2016)", Madan Mohan Malviya Univ. of Technology, Gorakhpur, India, Dec. 16 - 22, 2016.

Invited Speaker (Flexible FETs), First Workshop on Electron Devices 2016 (WED'16), organized by IEEE EDS UP Chapter, IIIT Allahabad, India, Nov. 19, 2016.

Chief Guest, Invited Speaker, TEQIP-II Sponsored Two Week Short Term Course on "Advances in Digital Systems Design", Government Women Engineering College, Ajmer, India, Nov. 26 - Dec. 5, 2015. 

Invited Speaker and Session Chair, International Conference on Nano Electronics Circuits and Communication Systems, Advance Regional Telecom Training Center, Ranchi, India, May 9 - 10, 2015. 

IEEE AE/PD Bombay Chapter Invited Seminar, "Designing High-Performance Organic Transistors: An Effort Towards Flexible Electronics", Department of Electrical Engineering, IIT Bombay, March 4, 2015. 

Invited Expert and Resource Person, Gujrat Technological University, Chandkheda, Ahmedabad, Research Week 2015, Gujarat, India, April 13, 2015.

Invited Speaker, International Conference on Large Area and Flexible Microelectronics, RV College of Engineering, Bangalore, India, Dec. 18 - 20, 2014.

Keynote Speaker, Short Term Training Program on "Advance Trends in VLSI", Jodhpur Institute of Engineering and Technology (JIET), Jodhpur, India, June 11 - 16, 2012.

Invited Talk, Interactive Workshop of Academia and DRDO, NIT Kurukshetra, India, April 27 -28, 2012.