Tiruvellore Thattai Krishnamachari was an Indian politician who served as Finance Minister from 1956 to 1958 and from 1964 to 1966. He was also a founding member of the first governing body of the National Council of Applied Economic Research (NCAER) in New Delhi, India's first independent economic policy institute established in 1956.

National Council of Applied Economic Research (NCAER) is India’s oldest and largest independent, non-profit, economic policy research think tank. Established in New Delhi in 1956, it acquired considerable national and international standing within only a few decades of its founding. It is one of a handful of think tanks globally that combine rigorous analysis and policy outreach with deep data collection capabilities, especially for household surveys.