1. Crystal Crop Protection Ltd.,Department of Biotechnology,Hyderabad,India
2. CVR College of Engineering,Department of ECE,Hyderabad,India
3. Vinayaka Mission's Kirupananda Variyar Engineering College,Vinayaka Mission's Research Foundation Deemed to be University),Department of Electronics and Communication Engineering,Salem,India
4. Sona college of Technology,Department of EEE,Salem,India