1. Quality Control, Hindustan Petroleum Corporation Ltd. 1 , Visakhapatnam, India
2. Department of Mechanical Engineering, GITAM (Deemed to be University) 2 , Visakhapatnam, India
3. Hindustan Petroleum Corporation Ltd. 3 Mumbai, India
4. GLWEC College of Engineering 4 , Hyderabad, India
5. Department of Chemistry, GITAM (Deemed to be University) 5 , Visakhapatnam, India