| DELNET | : | www.delnet.nic.in |
| Directory of Open Access Journals | : | www.doaj.org |
| National Digital Library of India | : | www.ndlindia.org |
| NISCAIR | : | http://nopr.niscair.res.in/handle/123456789/2 |
| Library of Congress | : | www.loc.gov |
| Swayam Courses | : | https://swayam.gov.in |
| Indian Academy of Science | : | http://www.ias.ac.in |
| Directory of Open Access Books | : | https://www.doabooks.org |
| IEEE Digital Library | : | http://ieeexplore.ieee.org/Xplore/home.jsp |
| ASCE Digital Library | : | https://ascelibrary.org/journals |
| ASME | : | https://asmedigitalcollection.asme.org/ |
| IET Digital Library | : | http://digital- library.theiet.org/content/journals |
| J Gate (Engineering and Tech) | : | https://jgateplus.com/home/ |
| J Gate (Management) | : | https://jgateplus.com/home/ |
| Cambridge Dictionary Online | : | http://dictionary.cambridge.org/ |
