Kanak Vardhan Singh Deo is an Indian politician from Odisha and a member of the erstwhile royal family of Patna (princely state), Bolangir.

[2][3][4][5] K V Singh Deo is a member of the former royal family of the Patna princely state (now in Odisha).

[6] His wife, Sangeeta Kumari Singh Deo, was a Member of the Parliament of the 12th, 13th, 14th and 16th Lok Sabha of India.

They have a daughter Nivritti Kumari, who is married to a son of businessman Arvind Singh of Mewar.

[6] He was a Cabinet Minister of Industry and Public Enterprise from 2000 to 2004 and from 2004 to 2009 and also served as Urban Development and Public Enterprise minister in the Naveen Patnaik government until Patnaik left National Democratic Alliance in 2009.