National Digital Library (NDL) : https://ndl.iitkgp.ac.in/
NCERT :http://ncert.nic.in/
IGNOU eGyanKosh: http://www.ignou.ac.in/
YCMOU e Books: https://ycmou.ac.in/ebooks
Maharashtra State Board Books e-balbharati: http://cart.ebalbharati.in/BalBooks/ebook.aspx
SWAYAM :https://swayam.gov.in/
SWAYAM PRABHA: https://www.swayamprabha.gov.in/
Vidya Mitra(e-Acharya (INFLIBNET Gandhinagar): http://content.inflibnet.ac.in/
Oxford Mathematics Open Courseware and other Learning Resources
Virtual Labs:http://www.vlab.co.in/
NPTEL:National Programme on Technology Enhanced Learning https://nptel.ac.in/
ShodhGanga: https://shodhganga.inflibnet.ac.in/
Sakshat :https://sakshat.ac.in/
ई साहित्य प्रतिष्ठान:http://www.esahity.com/