India's rice stocks in government warehouses climbed over 14% from a year earlier to a record high for early September, while wheat inventories reached a four-year peak on stronger buying from farmers, official data showed on Wednesday. Record rice stocks will support higher exports by the world's biggest supplier, while improved wheat inventories give the government room to curb potential price spikes later this year through open market sales. State reserves of rice, including unmilled paddy, totalled a record 48.2 million metric tons as of Sept 1, far exceeding the government's target of 13.5 million tons for Jul 1. Wheat stocks stood at 33.3 million tons on Sept 1, well above the government's target of 27.6 million tons, the data...