Answer : 4. "आर. के. शनमुखम चेट्टी"
Explanation :

1. In the World Monetary Conference at Bretton Woods in 1944, R. Of. Shanmukham Chetty served as the Indian Finance Minister.

 2. Served as Speaker of the Central Legislative Assembly of India, and also as Dewan of Cochin State from 1935 to 1941.