Digestive System | पाचन तंत्र | Khan GS Research Center | Patna
13:24
मानव दांत | Human Teeth | Biology | by Khan GS
18:54
Digestive System | पाचन तंत्र | Part -2 | Khan GS Research Center | Patna
24:59
Bangladesh Crises | Sheikh Hasina | Bangladesh Military Coup | Khaleda Zia | Bangladesh Burning
27:53
Respiratory System | श्वसन तंत्र | Khan GS Research Center
30:58
| Biology - Human Brain (मानव मस्तिष्क) | Khan GS Research Center | Patna
18:29
Submarine | Diesel-Electric Submarine | AIP in Submarine | P-8i | Torpedo | Depth Charge | Sonobouy
14:32
खान सर द्वारा भारत की राष्ट्रीय राजमार्गों की पूरी जानकारी || By Khan Sir #khansir #nationalhighway
24:16