¹KLE College of Engineering & Technology,India, ²KLE Institute of Technology,Hubli, India

¹Government Polytechnic College, Theni,India, ²FEAT, Annamalai University, India

^1,2Sree Vidyanikethan Engineering College, Tirupati, India ³JNTUA, Kalikiri, India

Sree Vidyanikethan engineering college, Tirupathi, India

T S Srinivasan Centre for Polytechnic College and Advanced Training,India

SreeVidyanikethan Engineering College, Tirupati ,India,

Sri Sairam Engineering College, Chennai,India

Sri Sairam Engineering College, India

Sri Sivasubramaniya Nadar College of Engineering, Chennai, India