Which of the following was one of the last princely states to join the Indian Union?

Correct option is C

The correct answer is (c) Hyderabad
Explanation: • Hyderabad resisted accession after 1947. • Nizam sought independence instead of joining India. • India launched Operation Polo (1948) to integrate Hyderabad. • After the police action, Hyderabad acceded to India. • Became one of the last major princely states to join the Union.
Information Booster: • Junagadh and Kashmir also saw delayed accession processes.
Additional Knowledge: (a) Mysore joined peacefully in 1947. (b) Jodhpur faced brief resistance but joined early. (d) Travancore acceded before Hyderabad.