The 1975 batch IAS Officer of the Bihar cadre, who on February 19, 2008, was appointed Director General National Institute of Rural Development Hyderabad, is ______.

This question tests factual knowledge about a specific bureaucratic appointment in 2008. B. K. Sinha, a 1975 batch IAS officer from the Bihar cadre, was appointed Director General of the National Institute of Rural Development (NIRD) in Hyderabad. This type of personnel-based question tests recall of specific administrative appointments rather than conceptual understanding.