1. Birla Institute of Technology and Science Pilani Dubai Campus, EEE, DIAC, Dubai, UAE;
2. Central Scientific Instruments Organisation CSIR, Biomedical Instrumentation Unit, Chandigarh, India;
3. Department of Electrical Engineering, Jamia Millia Islamia, New Delhi, India;
4. Central Scientific Instruments Organisation CSIR, Chandigarh, India