Rajbir Singh is a Senior Project Fellow at the National Physical Laboratory in New Delhi researching thin film processing, photovoltaics, nanomaterials, and high-K dielectrics. He has a M.Tech in Microelectronics from Kurukshetra University and work experience in atomic layer deposition, surface passivation, and solar cell simulation. He has published research on silicon surface passivation using ALD-deposited films and presented posters at conferences.