Indian Polity · Polity

With reference to certain commissions and committees constituted in post-Independence India, consider the following statements: I. The National Commission to Review the Working of the Constitution (NCRWC) was constituted in the early 2000s under a government led by Atal Bihari Vajpayee. II. The Sarkaria Commission, constituted to examine Centre–State relations, submitted its report during the tenure of Prime Minister V.P. Singh. III. The Balwant Rai Mehta Committee, which laid the foundation for Panchayati Raj institutions, was appointed during the Prime Ministership of Jawaharlal Nehru. IV. The recommendations of the Balwant Rai Mehta Committee directly led to the 73rd Constitutional Amendment Act. How many of the above statements are correct?