1. Council of Scientific and Industrial Research (CSIR)–Central Electronics Engineering Research Institute (CEERI), Pilani, Rajasthan, India
2. Department of Physical Science, Banasthali Vidyapith, Aliyabad, Rajasthan, India
3. Council of Scientific and Industrial Research (CSIR)–Central Electronics Engineering Research Institute (CEERI), Chennai Center, Chennai, India
4. Birla Institute of Technology (BITS), Pilani, Rajasthan, India