These are simple and efficient low cost solar cookers. Many experimenters at higher latitudes have made these cookers and are happy with the output they get. We help anyone who is interested in making the same.
November 2013:Ravindra Pardeshi has annouced that a new version of the Parvati Solar Cooker will include a metal base capable of two axis rotation for easier sun orientation. The reflector is assembled from six modular pieces.