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Dayanidhi Choudhury
D.N.Choudhury in 1973
Born	1 January 1916 Bihar and Orissa Province, India
Died	22 September 2000 Bhubaneswar, Odisha
Resting place	Swargadwar, Puri
Other names	D.N. Choudhury
Occupation	Wildlife conservationist
Known for	First Odia chief conservator of forest and First Odia IFS.
Spouse	Suryamani Choudhury
Children	2 Sons and 2 Daughters
Parent	Father: Raghunath Choudhury

Dayanidhi Choudhury, also known as D.N. Choudhury(Odia: ଦୟାନିଧି ଚୌଧୁରୀ)(1 January 1916 – 22 September 2000) was the first Odia IFS (Indian Forest Service) and he is the former Chief Conservator of Forest, Govt. of Odisha and during his period lot of developments happened with respect to forest and wildlife conservation, that includes Nandankanan Zoological Park at Bhubaneswar, Similipal Elephant/Tiger reserve in 1956, which is now a prominent National Park in India.

• Official website of: "Forest Research Institute (India), Dehradun"
• Rao, V. S. 1961. 100 years of Indian Forestry. Souvenir. Forest Research Institute. Dehradun. scanned version Pg-153 (xi) Orissa
• The Indian Forester, Volume 97, Pg-63,119

• Official website of: "Nandankanan Zoological Park"
• "List of Officers trained (1938-1940) at Indian Forest College, Dehradun"

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