What is the full name of NK Singh?

Nand Kishore Singh is the full name of NK Singh. He is the chairman of the 15th Finance Commissioner of India. The 15th Finance Commission of India was constituted in November 2017. You can read about the Fiscal Responsibility & Budget Management (FRBM) Act in the given link.

Further readings:

1. Previous Years Economic Mains Questions for UPSC GS-3
2. Indian Economy Notes For UPSC