-For basic understanding first try to cover NCERT.
-After reading NCERT go for Laxmikant. This book is Bible for polity section.
–Read each and every chapter line to line
–Multiple revision to this book is key to get good marks in polity section
-For more holistic understanding Try to solve mock tests
-IN HAS MAINS exam- GS PAPER 2- there is relevance of this section along with CURRENT AFFAIRS. therefore try to cover and relate it with current affairs
NCERT – 6th to 8th (for basic understanding)
NCERT- Class 9th to 12th (for understanding more on democracy and federalism)
Indian Polity – M Laxmikanth
ESSENTIAL- M lakshmikant
OPTIONAL- Remaining books