Which of the following statements about P.C. Mahalanobis is true?

A) He was the founder of the Indian Statistical Institute in 1931.
B) He served as the Indian Statistical Institute's director for over five decades.
C) He is often referred to as the "Architect of the Second Five-Year Plan" of India.
D) He advocated for the active involvement of the private sector in the economy.

Choose the correct answer from the given options:

A and C only

The correct answer is Option 3 - A and C only

Given statements:

A) He was the founder of the Indian Statistical Institute in 1931. (Correct)
B) He served as the Indian Statistical Institute's director for over five decades.
C) He is often referred to as the "Architect of the Second Five-Year Plan" of India. (Correct)
D) He advocated for the active involvement of the private sector in the economy.

Indian Statistical Institute was founded in 1931 and Mahalanobis passed away in 1972. So logically he cant served as the Director of the Indian Statistical Institute for over five decades.

P.C. Mahalanobis (1893-1972) was an esteemed scientist and statistician of international renown.
He founded the Indian Statistical Institute in 1931.
Mahalanobis played a key role as the architect of India's Second Five-Year Plan.
He advocated for rapid industrialization and emphasized the active involvement of the public sector in driving economic development.
He championed the importance of industrialization as a means to propel India's progress and transformation.
Mahalanobis’ contributions showcased his vision for a robust public sector and its pivotal role in India's developmental journey.
He passed away in 1972.