The document summarizes the integration of princely states into independent India after the British rule ended. It discusses that British India was divided into British Indian provinces under direct British control and princely states ruled by princes with internal autonomy. At independence, over 500 princely states were given the option to join India or Pakistan or remain independent. This posed serious challenges to unity. Sardar Patel played a key role in negotiating accessions diplomatically and bringing most states into the Indian union, with some exceptions like Hyderabad and Manipur that required military intervention due to people's movements and resistance from rulers. While most issues were resolved, some resentment remains in Manipur today regarding the merger process.