Through the medium of Nature Conservation Society, Mr. Raha is busy with the conservation work in 72 villages around Nashik. He takes interest in educating rural masses about conservation. With the help of Mahindra & Mahindra, he has transformed Borgad & Tungal Dare by planting 40,000 indigenous species of trees. He is a Master Photographer. He has been honored with 1st Prize in the Salim Ali Centenary Photography Competition. He has trekked the Himalayas 9 times to study and film rare species. He found the Great Indian Bustard after a long time around Nashik. He also traced Ortolan Bunting, a migratory species after 18 years around Gangapur. He is the Honorary Wildlife Warden for Nashik district. He is also a life member of BNHS, Nilgiri Wildlife Association, Nature Environment & Wildlife Society – Calcutta, and Andhra Pradesh Bird Watching Society etc.