Subsidy amounts and sales figures may not always be indicators of commercial success. After a decade old promotion campaign, only a few Indians own solar cookers and fewer still use them. Is the design, which is incompatible to Indian conditions, t

Research on solar cookers has remained the enclave of Gandhian innovators

Hyderabad, Dec. 18: The world

Based on very encouraging experiences with SK-14 cookers, Prof. Ajay