Students from the department of environment studies pose with their painted faces during a protest against "bacillus thuringniensis" Bt brinjal in the northern Indian city of Chandigarh. A genetically modified version of eggplant, a staple in fiery curries, was slated to be the first GM food introduced into India in a bid to stabilise food prices and mitigate some of the effects of climate change on Indian food crop yields.