Correct Answer: (b) Sardar Vallabhbhai Patel
Solution:Sardar Vallabhbhai Patel was given the princely portfolio, home affairs, Information and Broadcasting in the National Provisional Government. His leadership was pivotal in addressing the numerous challenges facing the nascent nation, particularly in the realm of political integration and administrative governance. Patel spearheaded the integration of over 560 princely states into the Indian Union. His pragmatic approach, combined with tact and diplomacy, led to the peaceful accession of most princely states, with significant exceptions like Hyderabad and Junagadh resolved through decisive action. Patel's efforts in preventing the Balkanization of India earned him the title "Iron Man of India".