39:51
UPSC History Optional | Syllabus & Preparation Strategy by Mr. Shiv Lal Gupta | Drishti IAS English
Drishti IAS : English
1:20:40
UPSC Sociology Optional | Preparation & Strategy by Dr. Ritesh Upadhyay | UPSC | Drishti IAS English
35:35
UPSC Sociology Optional | Preparation & Strategy by Mr. Akshay Karnwal | UPSC | Drishti IAS English
1:45:39
UPSC Sociology Optional | Preparation & Strategy by Mr. Kumar Amit | UPSC | Drishti IAS English
1:03:57
UPSC PSIR Optional | Preparation & Strategy by Dr. Rajiv Bandhu | UPSC | Drishti IAS English
1:05:49
UPSC Sociology Optional | Preparation & Strategy by Mr. Praveen Pandey | UPSC | Drishti IAS English
1:31:19
UPSC History Optional | Syllabus & Preparation Strategy by Mr. Tauqeer Zafar | Drishti IAS English
1:15:42
UPSC History Optional | Syllabus & Preparation Strategy by Mr. Amit Sinha |Drishti IAS English
38:42
UPSC PSIR Optional | Preparation & Strategy by Mr. Rajeev Chauhan | UPSC | Drishti IAS English
32:51
UPSC Geography Optional | Preparation & Strategy by Mr. Manoj Pathak | UPSC | Drishti IAS English
55:56
UPSC Anthropology Optional | Preparation & Strategy by Dr. C.P. Kaushik | UPSC | Drishti IAS English
1:12:11
UPSC Philosophy Optional | Preparation & Strategy by Dr. Ambuj Srivastava | Drishti IAS English
1:12:20
UPSC PSIR  Optional | Preparation & Strategy by Dr. Ashutosh Jha | UPSC | Drishti IAS English
1:01:30
UPSC History Optional | Syllabus & Preparation Strategy by Mr. Parampreet Singh |Drishti IAS English
