The correct option is A IIT Kharagpur
The Union Human Resource Development Minister, Prakash Javadekar launched the new digital initiative of HRD Ministry ‘National Digital Library of India (NDLI)’on the occasion of National Reading Day (NRD) in New Delhi on June 19, 2018. It is a project of the Ministry of Human Resource Development (HRD) under the aegis of National Mission on Education through Information and Communication Technology (NMEICT). The purpose of NDL is to make digital educational resources available to all citizens of the country to empower, inspire and encourage learning. The NDLI, which is developed by IIT Kharagpur, is the single window platform that collects and collates metadata from premier learning institutions in India and abroad, as well as other relevant sources. It is a digital repository containing textbooks, articles, videos, audio books, lectures, simulations, fiction and all other kinds of learning media.