Photographed during the exhibition (23 December 2015 to 17 January 2016) titled 'Light Matters' on the occasion of the ‘International Year of Light and Light-based Technologies, 2015’ (IYL 2015), an United Nations observance at the Birla Industrial & Technological Museum (BITM), Kolkata. It was developed by the National Council of Science Museum (NCSM) under the Ministry of Culture, Govt. of India.