Mandar Nature Club, popularly known as MNC, is a Non-Government Organization established in 1990 based Mandar Nature Club (MNC) is one among the leading environmental NGOs in Bihar, working for the conservation of nature, environment and wildlife since 1990 based near old educational city of Vikramashila (Bhagalpur) on one side and Mandar Hill. It was established with the sheer objective of protecting the environment, wildlife and its habitat, and spreading awareness on environment education among the students and locale. Since its inception, the organization has registered a great achievement towards its objective on its own credit and steered a lot of work on the conservation of some native wildlife including the Gangetic Dolphins, Greater Adjutants, Vultures, etc. as well as awareness campaign on the protection of environment and wildlife species. The organization got much attention, when it discovered animal fossils of lower Pleistocene (1.5 million years old) from the Gangetic alluvium in 1993 – first ever and only find in Bihar, and after that it covered a long distance regardless of lack of resources, sometimes in ravines and sometimes in unrest places continuously without getting stopped and set an example in the field of environment protection and wildlife conservation in the region.

MNC has collaborated with the national and international groups, institutions, NGOs and departments like BNHS, WWF - India, Wildlife Trust of India, SACON, CAPART, ADRI, CEE, Kalpvriksh, Department of Forests and Environment, Government of Bihar and Jharkhand, GSI, ZSI, Ornithological Society of India, IOC, various universities and departments, IUCN, Wetlands International, Bird Life International, UK, and Royal Society for the Protection of Birds, UK etc. Its members have participated as resource persons also in national and international seminars, camps and workshops including COP-13. MNC has organized camps, training programmes and organized state level workshops like “Birds in Bihar – Conservation and Legal Provisions” and on eBirds. It has been instrumental in establishing fourth Bird Ringing Center of the country in Bhagalpur, Bihar by BNHS and state forest department in 2019.