UPSC Prelims-2026 Essential Booklist

Polity: Laxmikanth

History: Spectrum Modern, NCERTs

Geography: NCERTs, GC Leong

Economy: NCERTs, Sriram’s or Sanjeev Verma

Environment: Shankar IAS, NCERTs

Science: NCERT 6–10

CSAT: TMH CSAT Manual, PYQs