The question asks about the Chairperson of the 15th Finance Commission.
To answer this question, we need to identify the correct individual from the given options. The Finance Commission in India is periodically constituted to define the financial relations between the central government and the states. The 15th Finance Commission, established by the Government of India, needed a chairperson to lead this commission effectively.
The provided options are:
- Raghuram Rajan
- N. K. Singh
- D. Subbarao
- Y.V. Reddy
Analysing the options:
- Raghuram Rajan - Former Governor of the Reserve Bank of India
- N. K. Singh - An Indian economist and politician, known for his involvement in various important commissions
- D. Subbarao - Former Governor of the Reserve Bank of India
- Y.V. Reddy - Former Governor of the Reserve Bank of India
Upon reviewing the established records, it is confirmed that N. K. Singh served as the Chairperson of the 15th Finance Commission. Therefore, the correct answer is:
N. K. Singh