1. Department of Mechanical Engineering, Koneru Lakshmaiah Educational Foundation, Green Fields, Vaddeswaram, Guntur (Dt). Andhra Pradesh, India-
2. Department of Mechanical Engineering, Sree Chaitanya College of Engineering Karimnagar, Telanaga, India
3. Department of Mechanical Engineering, Aditya College of Engineering & Technology, Surampalem, East Godavari (Dt), Andhra Pradesh, India-