Chidambara Chandrasekaran (1911–2000) was noted Indian demographer and statistician, was educated in India, UK and the US. He graduated from Morris College, Nagpur, with a B.Sc. degree, followed by a M.Sc. degree from the Nagpur University, and a PhD degree in Statistics from University College London in 1938. He was also awarded an MPH degree from Johns Hopkins School of Hygiene and Public Health in 1947.
Note that in some publications his name is spelled as "Chandra Sekar".
He was related to two Nobel Prize winners: C. V. Raman was his uncle and Subrahmanyan Chandrasekhar was his cousin.