Mr. P. J. Thomas has been appointed as the Central Vigilance Commissioner on September 7, 2010. He is an IAS Officer of the following State’s cadre –

The correct answer is C. Kerala.

P. J. Thomas was born in 1948 in Kerala. He joined the Indian Administrative Service (IAS) in 1972 and served in various capacities in the Government of India. He was appointed as the Central Vigilance Commissioner on September 7, 2010. He retired from the IAS in 2012.

The other options are incorrect. Assam, Karnataka, and Tamil Nadu are all states in India, but P. J. Thomas is not an IAS officer from any of these states.