1. Government Engineering College Barton-Hill,Department of Electronics and Communication Engineering,Thiruvananthapuram,India
2. Indian Institute of Space Science and Technology,RF & Microwave Engineering,Department of Avionics,Thiruvananthapuram,India
3. Government Engineering College Barton-Hill,Department of ECE,Thiruvananthapuram,India
4. Indian Institute of Space Science and Technology,Department of Avionics,Thiruvananthapuram,India