He has been working with governments and private groups to promote Eco-tourism in Madhya Pradesh, Arunachal and Nagaland. His 2002 book Birds of India  has been a best-seller among Indian bird books.
He has been collaborating with governments and private organizations to advance Eco-tourism in Madhya Pradesh, Arunachal, and Nagaland. His 2002 book Birds of India was a popular choice among Indian bird books.