Central Armed Police Forces (CAPF) - Assistant Commandant (AC) recruitment exam is conducted by the UPSC .

Books :

History/Culture – Theory for this part has to be done with TN Board books ( downloaded link at bottom ) followed by Solving TMH GS Manual MCQs.

Medieval History – TN Board books + TMH GS Manual MCQs. Don’t spend much time on cramming Dates and facts here.

Polity :
Book by M. Laxmikanth

Economy :
NCERT Class 11th + 12th + NIOS + TMH GS Manual MCQs

Quant – NCERT ( for concepts – download link at bottom ) + RS aggarwal ( or any other Quant book)

Reasoning – Practice questions from RS Aggarwal book

Biology NCERT

Environment & Biodiversity NIOS Study Material