by M. Laxmikanth is widely regarded as the "Bible" of Indian political and constitutional systems for aspirants of the UPSC Civil Services Examination and other competitive state exams.
It includes comparative tables (e.g., President vs. Governor ) and flowcharts that are crucial for quick revision. laxmikant polity pdf
It contains over 90 chapters spanning historical background, fundamental rights, and the latest constitutional amendments. and the latest constitutional amendments.