Invited Talks/ Tutorials/ Chairing Technical Sessions in Conference:
1. Delivered the tutorial entitled "Variable Speed Vector Controlled Drive", in IEEE Conference on Application of Computers, Electronics and Electrical Engineering to Petroleum and Chemical Industries (CEE-PCI), Dec. 10-12, 1998 at Ahmedabad.
2.Chaired the technical session on "Variable Speed Drives" in IEEE Conf. 'CEE-PCI', Dec. 10-12, 1998, Ahmedabad.
3.Chaired the technical session on "Power Electronics" in IEEE Conf. `ICIT 2000', Jan. 2000, Goa.
4.Chaired technical session on "UPS and Power Supplies" in the 4th IEEE International Conference on Power Electronics and Drive Systems 2001 (PEDS'01), Oct. 2001, Bali, Indonesia.
5.Delivered the lecture entitled "Variable Speed AC Drives - Past and Present" in Tech-Srijan 2002, April 6, 2002, MMMEC, Gorakhpur.
6.Delivered an invited talk on "Sensors and Actuators" in the DST sponsored 3rd SERC School on Precison Engineering, IIT Kanpur, May 2002.
7.Delivered the invited expert lecture entitled "Power Semiconductor Devices and Applications" in AICTE & ISTE sponsored course in Delhi College of Engineering, New Delhi, July 2002.
8.Chaired the technical session on "Resonant Converters" in National Power Electronics Conference (NPEC 2003), Oct. 16-17 2003, IIT Bombay.
9.Chairman, Preliminary Design Review and Critical Design Review Committees (May 2001 and Nov. 2003) for review of ADA, Bangalore sponsored project to BHEL, Hyderabad. The project was on "The development of compact 40 kVA, 400 Hz generator for Light Combat Aircraft."
10.Delivered the seminar entitled "Unified Power Quality Conditiners (UPQC) for Power Distribution Systems" in Electrical Engineering Dept., IIT Madras, Dec. 2003.
11.Delivered an invited lecture "Modern Trends in Power Electronics" in HBTI, Kanpur, Feb. 2004 during TechEra 2004.
12.Delivered an invited lecture "Variable Speed AC Drives - A Status Review" in IETE Kanpur Centre, March 2004.
13.Delivered an invited lecture "Introduction to Power Electronics" in AICTE sponsored Staff Development Programme on Recent Trends and Applications in Power Electronics and Drives, U.C.E. Burla, Sambalpur, June 19- July 1, 2006.
14.Delivered an invited lecture "Multi-level Converters" in AICTE sponsored Staff Development Programme on Recent Trends and Applications in Power Electronics and Drives, U.C.E. Burla, Sambalpur, June 19- July 1, 2006.
15.Delivered an invited lecture "DC and AC Variable Speed Drives" in AICTE sponsored Staff Development Programme on Recent Trends and Applications in Power Electronics and Drives, U.C.E. Burla, Sambalpur, June 19- July 1, 2006.
16.Delivered an invited lecture "Unified Power Quality Conditioner for Power Distribution Systems" in AICTE sponsored Staff Development Programme on Recent Trends and Applications in Power Electronics and Drives, U.C.E. Burla, Sambalpur, June 19- July 1, 2006.
17.Delivered an invited lecture "Modern Trends in Power Electronics" in PSIT, Bhauti, Kanpur, Nov. 2006.Chaired the technical session on "Reluctance and Special Drives" in International Conference on Industrial Technology (ICIT 2006), Dec. 15-17, 2006, Mumbai.
18.Delivered the seminar entitled "Matrix Converter-fed High Performance Synchronous Motor Drive System" in GE John F. Welch Technology Center, Bangalore, December 19, 2006.
19.Delivered the IEEE sponsored seminar entitled "Design and Implementation of an Optimum Power Quality Conditioner (UPQC) with Minimum VA Loading" in CDAC, Trivandrum, June 27, 2007.
20.Delivered an invited talk entitled "Harmonics and Power Quality Standards" in Power Q: National Seminar Cum Exposition on Power Quality and Reliability, 15-16 October 2007, New Delhi, Organised by CII - LM Thapar Centre for Competitiveness, Chandigarh.
21.Delivered an invited talk entitled "Power Quality Problems and Solutions" Lohia Starlinger, Kanpur, May 10, 2007.
22.Chaired a Technical Session on "Matrix Converters" in the National Power Electronics Conference 2007 at IISc Bangalore, during Dec. 17-19, 2007.
23.Delivered an invited seminar on "Electric Drives" during the National Workshop "Development in Power, Power Electronics, and Drives" in Vasavi College of Engineering, Hyderabad, March 10, 2008.
24.Delivered a technical lecture entitled "Power Electronics Today" in COMPCON-08 (A National Seminar and Workshop on Communication, Power Electronics and Control Systems) at Mohandas College of Engineering and Technology Thiruvananthapuram, 26-28 June 2008.
25.Delivered a technical lecture organized by IEEE Delhi Section on "An Optimum Unified Power Quality Conditioner with Minimum VA Loading" at Netaji Subhash Institute of
Technology (NSIT), New Delhi, Nov. 16, 2009.
26.Delivered technical lectures on "Observer-based State Estimation and Control in Synchronous and Induction Motors" and "Non-linear Control Techniques in Induction Motor Control," at TEQIP Workshop organized by
Instrumentation and Electronics Dept, CET Bhubaneswar, Dec 21-22, 2015.