- **Option 1: Krishna Murti Subramanyam** - He is not known to have been appointed as head of NIPFP. He served as the Chief Economic Adviser to the Government of India.

- **Option 2: Kaushik Basu** - He was the Chief Economic Adviser to the Government of India but not the head of NIPFP.

- **Option 3: Urjit Patel** - ✅ He was appointed as the Chairperson of the National Institute of Public Finance and Policy (NIPFP) in June 2020.

- **Option 4: Arvind Subramanian** - He was the Chief Economic Adviser to the Government of India but has not held the position at NIPFP.

**YOUR ANSWER IS RIGHT**