He played a historic role in negotiating with the rulers of the princely states firmly but diplomatically and bringing most of them into the Indian Union. Identify this leader.

Sardar Vallabhbhai Patel

The correct answer is Option 4: Sardar Vallabhbhai Patel

Sardar Patel was India’s Deputy Prime Minister and the Home Minister during the crucial period immediately following Independence. He played a historic role in negotiating with the rulers of princely states firmly but diplomatically and bringing most of them into the Indian Union.

More about Sardar Vallabhbhai Patel (1875-1950):
He was a leader of the freedom movement & a Congress leader from Gujarat.
He was a follower of Mahatma Gandhi and participated in various movements with him.
He was the Deputy Prime Minister and first Home Minister of independent India.
Also, he was a member of important committees of the Constituent Assembly on Fundamental Rights, Minorities, Provincial Constitution, etc.
He played an important role in the integration of Princely States with India.