| 1 |
Directory of open Access Journals (DOAJ) |
https://doaj.org/ |
| 2 |
Directory of open Acess Books ( DOAB) |
https://doabooks.org |
| 3 |
Open Library |
https://openlibrary.org/ |
| 4 |
Shodhganga: A reservoir of indian |
https://shodhganga.inflibnet.ac.in/ |
| 5 |
E- Shodhsindhu (E-SS) |
https://ess.inflibnet.ac.in/ |
| 6 |
E- Gyankosh |
https://egyankosh.ac.in/ |
| 7 |
Swayam: Massive open online loweses |
https://swayam.gov.in/about |