L16: Defence Technology | Science & Tech | IPL UPSC Series 2022 | Ravi P Agrahari
1:13:02
L11 | Eutrophication & Algal Bloom | Anirudh Malik | Intense Prelims League | UPSC CSE/IAS
40:49
L15: Defence Technology | Science & Tech | IPL UPSC Series 2022 | Ravi P Agrahari
5:42:39
Complete Science & Technology For UPSC 2022 @ One Place | UPSC 2022 | OnlyIAS
39:30
L13: Robotics | Science & Tech | IPL UPSC Series 2022 | Ravi P Agrahari
45:45
L4: Space Technology | Space Institute | Science & Tech | IPL UPSC Series 2022 | Ravi Agrahari
18:29
Submarine | Diesel-Electric Submarine | AIP in Submarine | P-8i | Torpedo | Depth Charge | Sonobouy
50:51
L1: Energy | Fuels & Renewable Energy | Science & Tech | IPL UPSC Series 2022 | Ravi P Agrahari
1:28:25