Mains Geography Optional.
Geography is the most practical & understanding subject. Shri P. S Yadav has produced toppers in UPSC CSE.

Shri Premshankar Yadav Sir
Mains Geography Optional
Name: Premshankar Yadav
Teaching Experience: 18+ Years
Subjects:
- Optional: Geography
- General Study:
- Geography
- History
- Science & Technology
Medium: Hindi and English
Qualification:
- Post Graduation (M.Sc Mathematics) from Allahabad University (1993)
- Graduation (B. Sc Mathematics) from Allahabad University (1990)
- Intermediate from U. P Board (1986)
- High School from U. P Board (1984)
Date of Birth: 15 Oct, 1975