How to cover Post-Independence consolidation and reorganisation for UPSC?

To cover Post-Independence consolidation, focus on the critical years between 1947 and 1964.
Start with the integration of princely states (role of Sardar Patel) and the linguistic reorganization of states (Fazl Ali Commission).
Use NCERT Class 12 (Politics in India since Independence) and Bipan Chandra’s book to study Nehru’s tribal policy, the Green Revolution, and emergency-era politics.