1. Department of Applied Sciences, Galgotias College of Engineering and Technology, Greater Noida, U.P., India.
2. Department of Electronics and Communication Engineering, Galgotias College of Engineering and Technology, Greater Noida, U.P., India.
3. Department of Applied Sciences, Amity University, Noida, U.P., India.
4. Samsung R & D Institute, Bangalore, Karnataka, India.