Aaranyak is a leading wildlife NGO  based in Guwahati . It is a Scientific , Industrial Research and Frontline Environmental Organization of India . It works all over the eastern Himalayan area on nature conservation, natural resources management, climate change, disaster management and livelihood enhancement of Marginalized communities through research, education and advocacy . 
The group says its mission is to foster conservation of biodiversity in Northeast India through research, environmental education, capacity building and advocacy for legal and policyreform to usher a new era of ecological security.  Aaranyak in partnership with the International Center for Integrated Mountain Development (ICIMOD) has recently won a Lighthouse Activity Award 2014 for the successful implementation of the community-based flood. Lakhimpur and Dhemaji Districts of Assam.
Activities in Kaziranga
A joint study carried out by Aaranyak and the Assam Forest Department , has shown that Kaziranga National Park has the highest density of wild tigers in the world.  The report is the result of a study carried out during January-March 2009.
List of notable programs and campaigns
|Program||About the program|
|Environment Education and Capacity Building||This is one of the society’s long-term programs continuing its inception. Well trained educators, environmentalist of the society have been involved in conservation education for different target groups, students, youth, teachers, journalists, policy makers, community and others. In order to create awareness among the populace it has organized.|
|Conservation projects (NETSCOPE)||North East Threatened Species Conservation Program (NETSCOPE): The North East Threatened Species Conservation Program (NETSCOPE) of Aaranyak introduces a new strategic opportunity for conservation of the unique species to the North East India with diverse cultural affinity.|
|Community Based Conservation Program||Aaranyak, with a view to secure community support in the conservation of biodiversity. Diversified livelihood generation assistance to the community has played a role in reducing the burden of conservation. The strength of Aaranyak lies in integrating research and community-based activities into a coherent program that combines knowledge and innovation at local and regional level to achieve the true meaning of sustainable biodiversity conservation.|
|Legal and Advocacy Program||The success of any anti-poaching efforts will ultimately depend on the rate of conviction. Due to lack of orientation and poor interpretation of the forest management practices, the existing wildlife, forest and environment laws are not enforced or used to increase the rate of compliance. Aaranyak has the first time in North East India, started the legal orientation for the forest officials working in the Wildlife Sanctuaries and National Parks in Assam in 1996. Since then, covering almost all the protected areas of Assam, Aaranyak has organized more than 12 legal orientation programs. Advocate Gautom Uzir of Gauhati High Court is the Chief Legal Advisor of Aaranyak, he is in-charge of conducting the legal orientation camps for the benefit of forest staff in Assam. Ajoy Kumar Das who joined Aaranyak in 2006 is the Associate Lawyer of the Legal Program|
|Water Climate and Hazard (WATCH) Program||The Northeast India, consisting of the eight states of Arunachal Pradesh, Assam, Manipur, Meghalaya, Mizoram, Nagaland, Sikkim and Tripura, presents a distinctive geophysical unit in the pristine Eastern Himalayan Region with a unique physiographic framework, a vigorous monsoon dominated climatic diet and a dynamic hydro-geomorphic diet. A distinct climatic zone within the Indian landmass. Consisting mainly of the basins of three of the wide river systems of the world viz. the Brahmaputra, the Barak (Meghna) and the Irrawaddy, the NER possesses the richest treasure-trove of water resources in India. It possesses about 30% of the total potential water resources and about 41% of the total hydropower potential of India. The per capita and per hectare is the highest in the country. The NE India is one of the most acutely flood prone areas of the world.|
|Geo-spatial Technology Application Program||Considering all the importance of Remote Sensing and GIS in the field of biodiversity conservation and planning, the Geo-spatial Technology Application Program (GTAP) was introduced to Aaranyak in the year, 2004. non-spatial data which are related to the North East India. North Eastern States as a whole. This initiative is a comprehensive GIS database of the protected areas of Assam and North East India. In this regard, the unit has already developed GIS database for multiple reserved forests, wildlife sanctuaries and National Parks of Assam.|
|Wildlife Genetics Program||Aaranyak has made the need for expanding its conservation efforts by using high-throughput DNA technologies in the field of wildlife research in North East India. It has always been a topic of exploration and research on wildlife in North East India, which is an important part of the Indo-Myanmar biodiversity hotspot, one of the 25 global biodiversity hotspots recognized by the international community. Molecular genetic tools provide ample opportunities for studying different aspects of population biology for species which are directly observed through visual observation in the impregnable forests of North East India.|
|Wildlife Health and Research Program (WHRP)||The Wildlife Health and Research Initiative is a newly developed initiative of the North East Indian Wildlife Health and Research Initiative. The program is an interdisciplinary effort between health professionals, wildlife managers, ecologists and conservation professionals. It is an important component of educational and applied wildlife research and integrating the disciplines of veterinary medicine and wildlife management.|
|Environment Education Orientation Program||To create a pool of Green Teachers in Assam State to give a thrust to conservation efforts, Aaranyak organizes many environment education orientation program for school teachers from fringe areas of Manas Tiger Reserve |
Aaranyak sponsors vehicles to Manas National Park. 
Books from Aaranyak
|Name of book||Save|
|Amphibians and Reptiles of Northeast India- A Photographic Guide ||Assamese , English|
|Indian Rhinos in Protected Areas of Assam||English|
|Role of Policy and Institutions in Local Adaptation to Climate Change||English|
- Jump up^ „Villagers hang leopard after killing three people, rescued by Aaranyak“ . tribune.com. Archived from the original on 2013-02-10.
- Jump up^ „About Aaranyak in India Water Portal“ . India Water Portal . Retrieved 8 February 2013 .
- Jump up^ „Aaranyak A Scirntific & Industrial Research“ . aaranyak.org. Archived from the original on 18 March 2013 . Retrieved 7 March 2013 .
- Jump up^ „The best tiger habitat in the world“ . indiaenvironmentportal.org.in . Retrieved April 29, 2010 .
- Jump up^ „Training on environment education for teachers“ . Assamtimes.org . Retrieved 15 May 2013 .
- Jump up^ „Aaranyak, Guwahati, Assam“ . hotfrog.in.
- Jump up^ „Book from Aaranyak“ . swb.co.in . Retrieved 7 March 2013 .