| Artist | : | Railway Group D 2018 General Science by Shefali Ma'am | रेलवे RRB Group D 2018 Crash Course Day 6 |
| Title | : | Testbook |
| Duration | : | 1938 |
| Source | : | Youtube |
| Type of file | : | Audio/Video (.mp3 .mp4) |
| Artist | : | Railway Group D 2018 General Science by Shefali Ma'am | रेलवे RRB Group D 2018 Crash Course Day 6 |
| Title | : | Testbook |
| Duration | : | 1938 |
| Source | : | Youtube |
| Type of file | : | Audio/Video (.mp3 .mp4) |