An engineer and civil contractor by profession, Nana Khamkar is a working member of Creative Nature Friends. It is an NGO that works for the conservation of the Western Ghats. He is a member of the Tree Committee, Karad. Nana Khamkar was the first to demand the Sahyadri tiger reserve and requested the upgrading of the Chandoli wildlife sanctuary. This helped in getting more funds to the national park for wildlife conservation.