
S Sapthagiri1, Associate Professor, Department of Mechanical Engineering, Guru Nanak Institutions Technical Campus, Hyderabad, India Dr K Jayathirtha Rao2 Director (Retd) Environmental Test facility, RCI, Hyderabad, India.
S Sapthagiri1, Associate Professor, Department of Mechanical Engineering, Guru Nanak Institutions Technical Campus, Hyderabad, India Dr K Jayathirtha Rao2 Director (Retd) Environmental Test facility, RCI, Hyderabad, India.