* Department of Renewable Energy Sources, College of Technology and Agricultural Engineering, Maharana Pratap University of Agricultural & Techonolgy, Udaipur - 313 001.
Improved single pot and double pot chulas (cook stoves) have been developed for rural and trible people. The thermal efficiencies of these chulha was found in the range of 21.78 to 29.08%. The cost of single pot chulha was Rs. 175 while that of 2 pot chulha it was Rs. 230. These designs were found to fulfil the needs of rural people and tribal families and have been recommended for large scale adoption.