Chennai: On occasion of Gandhi Jayanthi on Sunday, thousands came together at a city school to stage 'Seed Sathyagraha', a campaign against the potential approval of genetically-modified (GM) Mustard in India for commercial cultivation. Farmers, doctors, scientists and environmentalists in at least 150 locations across the nation questioned the safety clearance given to GM Mustard by the Genetic Engineering Approval Committee's (GEAC) technical subcommittee.