http://hdl.handle.net/123456789/961 Tue, 28 Apr 2026 18:00:31 GMT 2026-04-28T18:00:31Z http://hdl.handle.net/123456789/962 NDLI Science Sponsored by Ministry of Education Government of India. Developed by IIT Kharagpur This contains lecture videos and notes of NPTEL/SWAYAM courses, online class lectures, some books and questions/solutions for undergraduate students across all science discipline. Wed, 01 Jan 2020 00:00:00 GMT http://hdl.handle.net/123456789/962 2020-01-01T00:00:00Z