Secretary in Prime Minister Manmohan Singh's office was appointed as the new Executive Director of the World Bank for a term of three years from February 1, 2009. Name the secretary.

Pulock Chatterji, who was serving as Secretary in the Prime Minister's Office under Dr. Manmohan Singh, was appointed as the Executive Director of the World Bank representing India for a three-year term starting February 1, 2009. This was a prestigious appointment that placed an Indian bureaucrat in a key position at the international financial institution. The other surname variations (Bhattacharya, Ghosh, Mitra) are common Bengali surnames but incorrect in this case.