Ankush Arora will take over as vice president (sales, marketing and after sales) of General Motors India w.e.f January 1, 2006."Arora will take charge from Amit Dutta who moves to GM Japan as director (marketing)," an official release said today.Arora would be based at Gurgaon, Haryana, and report to Rajeev Chaba, president and MD of GM India, the release added.