Sanctuary and National parks Dhritiman has photographed

• Dessert National Park , Rajasthan
• Ranathambhore National Park, Rajasthan
• Keoladeoghana National Park, Bharatpur
• Wild Ass Sanctuary, Little Rann of Kutch, Gujrat
• Marine National Park , Jamnagar, Gujrat
• Gir National Park , Gujrat
• Eravikulam National Park, Kerala
• Great Himalayan National Park, Himachal Pradesh
• Pin Valley National Park, Himachal Pradesh
• Gangotri National Park , Uttaranchal
• Nandadevi National Park, Uttaranchal
• Jim Corbett National Park, Uttranchal
• Sardarpur Florican Sanctuary, Madhya Pradesh
• Bandhavgarh Tiger reserve, Madhya Pradesh
• Kanha National Park, Madhya Pradesh
• Panna National Park, Madhya Pradesh
• Bhitarkanika National Park, Orissa
• Simlipal National Park, Orissa
• Chilika Marine National Park , Orissa
• Sundarban National Park, West Bengal
• Garumara National Park, West Bengal
• Jaldapara National Park, West Bengal
• Kulik bird Sanctuary , West Bengal
• Buxa Tiger Reserve, West Bengal
• Singalila National Park, West Bengal & Sikkim
• Barsey Rhodorendhron Sanctuary , Sikkim
• Kanchenjungha national Park, Sikkim
• Kaziranga National Park, Assam
• Manas National Park, Assam
• Orang National Park, Assam
• Eagles Nest Sanctuary, Arunachal Pradesh
• Mahatma Gandhi Marine National Park, Andaman