please also check these institutes:
The list is not exhaustive. Suggestions about any addition / correction are welcome.
Raja Ramanna Centre for Advanced Technology, Indore (RRCAT)
Laser Science & Technology Centre, Delhi (LASTEC)
Indian Institute of Technology, Kanpur
Instruments Research and Development Establishment (IRDE)
Centre of Excellence in Lasers & Optoelectronic Sciences (CELOS)
Indian Institute of Technology, Delhi
Indian Institute of Technology, Guwahati
Indian Institute of Technology, Kharagpur
Indian Institute of Technology Madras, Chennai
Indian Institute of Technology, Mumbai
Raman Research Institute, Bangalore
Tata Institute of Fundamental Research (TIFR)
International School of Photonics, Cochin University of Technology, Cochin
University of Pune, Pune
University of Kerala, Thiruvananthapuram
Physical research Laboratory, Ahmedabad
Institute of Plasma Research, GandhiNagar, Gujrat
Shri G.S. Institute of Technology & Science, Indore
Devi Ahilya Vishwavidyalaya, Indore