1. Punit Ratnani, Samruddhi Shaha, Dr. A. G. Thosar, Simulation of Five Level Inverter with Sinusoidal PWM Carrier Technique Using MATLAB/Simulink, International Journal of Electrical Engineering (IJEE), Volume 7, Issue 3, ISSN 0974-2150, January 2015.
2. Prajakta Shinde, Dr. A. G. Thosar, Punit Ratnani, Design of Permanent Magnet Synchronous Motor, International Journal of Scientific and Engineering Research (IJSER), Volume 6, Issue 1, ISSN 2229-5518, January 2015.
3. Punit Ratnani, Dr. A. G. Thosar, Mathematical Modelling of an 3 Phase Induction Motor using MATLAB/Simulink, International Journal of Modern Engineering Research (IJMER), Volume 4, Issue 6, ISSN 2249–6645, June 2014.
4. Punit Ratnani, Shruti Deore, Dr. K. Vadirajacharya, Development of Solar PV Charge Controller System for Rural Application, A National level IEEE Sponsored Technical Conference, at National Institute of Technology Rourkela, Odisha in 2013.
5. Punit Ratnani, Shubham Mortale, Dr. K. Vadirajacharya, DESERTEC Technology: World’s Largest Solar Power Generation System with Future Prospects for India, A National level Paper Presentation in MindSpark-11, College of Engineering (COEP), Pune.