Ananta Narayan Singh Deo (5 September 1929 – 1 December 2003) was an Indian ruler and politician who served as Member of 9th Lok Sabha from Aska Lok Sabha constituency,[1] 13th Leader of Opposition in Odisha Legislative Assembly from Surada Assembly constituency,[2] Deputy Minister for Industries, Commerce, Community Development and Panchayat Raj in Cabinet of Odisha[3] and Raja of Dharakote Estate.

[4] Ananta Narayan Singh Deo was born on 5 September 1929.

[5] He was educated in Stewart School, Cuttack and passed Senior Cambridge from The Doon School and was graduated from St. Stephen's College, Delhi in 1951.

[7] His son is Kishore Chandra Singh Deo[4] and daughter in law is Nandini Devi.

[10] On 13 February 1980, he replaced Prahallad Mallick as Leader of the Opposition.