The National Large Solar Telescope (NLST) is a Gregorian multi-purpose open telescope proposed in 2010 to be built in Merak village in Ladakh in India and aims to study the sun's microscopic structure.
The Indian Institute of Astrophysics is the nodal agency charged with various scientific bodies like the Indian Space Research Organisation (ISRO), Aryabhatta Research Institute of Observational-Sciences, Tata Institute of Fundamental Research (TIFR) and Inter-University Centre for Astronomy and Astrophysics (IUCAA) also participating.