mumbai feb 7 reuters  indian mills have signed contracts to export 46 million tonnes of sugar in the 202122 marketing year without government subsidies a leading trade body said on monday the exports would allow the worlds secondbiggest sugar producer to trim stockpiles though it could weigh on global prices  mills have already dispatched 37 million tonnes since the start of the marketing year on oct 1 but in the past few weeks they have struggled to dispatch on time owing to scarcity of railway freight trains the all india sugar trade association aista said india could export 6 million tonnes of sugar in the current year down from last years 72 million tonnes after new delhi discontinued its sugar exports subsidy the trade body said