As of May 2009, the Chairperson of the National Human Rights Commission of India was

The correct choice is: “S. Rajendra Babu”

Justice S. Rajendra Babu, a former Chief Justice of India, was Chairperson of the NHRC from April 2007 to May 2009, so he held the post in May 2009. The NHRC is set up under the Protection of Human Rights Act, 1993, and was then headed by a former Chief Justice of India.

J.S. Verma (1999–2003) and A.S. Anand (2003–2006) were earlier NHRC Chairpersons; R.C. Lahoti was Chief Justice of India (2004–05) but never headed the NHRC. (Later chairpersons included K.G. Balakrishnan, 2010–2015.)