| हिन्दी | hin-000 |
| सापेक्षता सिद्धांत | |
| Universal Networking Language | art-253 | relativity theory |
| Universal Networking Language | art-253 | relativity(scn>physics) |
| Universal Networking Language | art-253 | theory of relativity |
| English | eng-000 | relativity |
| English | eng-000 | relativity theory |
| English | eng-000 | theory of relativity |