Match the following years in List 1 with the most appropriate description associated with it in List 2:

(A)- I, (B)- III, (C)- II, (D)- IV

P.C. Mahalanobis (1893-1972) was an esteemed scientist and statistician of international renown. He founded the Indian Statistical Institute in 1931.

The release of the First Five-Year Plan draft and the subsequent Plan Document in December 1951 generated great enthusiasm throughout the country. People from diverse backgrounds - academics, journalists, government and private sector employees, industrialists, farmers, politicians, etc. - extensively discussed and debated these documents. The excitement surrounding planning peaked with the launch of the Second Five-Year Plan in 1956 and continued until the Third Five-Year Plan in 1961.

The Planning Commission was set up in March 1950 by a simple resolution of the Government of India. The Prime Minister was its Chairperson.

The Government of India replaced the Planning Commission with a new institution named NITI Aayog. NITI Aayog stands for National Institution for Transforming India. The NITI Aayog came into existence on 1 January 2015.