In which Princely State, a para military force known as Razakars was unleashed on the people?

Hyderabad

The correct answer is Option (3) → Hyderabad

The Razakars were a paramilitary force organized in the princely state of Hyderabad during the late 1940s. They were used to resist Hyderabad's integration into the Indian Union and were notorious for committing atrocities against civilians, especially those supporting the merger with India