General Motors expects a new hatchback to help double sales of its Opel Corsa models in India this year, Bloomberg News reported. The company yesterday unveiled the Opel Corsa Sail hatchback to add to saloon and estate car versions of the same platform. The hatchback version will help double total Corsa sales to 14,000 units, Aditya Vij, managing director at General Motors India, told Bloomberg News.