1. General Shivdev Singh Diwan Gurbachan Singh Khalsa College, Patiala, Punjab, India
2. Department of Applied Sciences, Division of Research & Innovation, Chandigarh Engineering College, Chandigarh Group of Colleges, Jhanjeri, Mohali, Punjab, India
3. Department of Mechanical Engineering GLA University, Mathura, Uttar Pradesh, India
4. Department of Catalysis and Chemical Reaction Engineering, National Institute of Chemistry, Ljubljana, Slovenia