V Sumantran has resigned from the post of excecutive director of Tata Motors. This was announced in a release issued by the company to the BSE today.Sumantran joined the company as executive director (passenger car business and engineering research centre) in November 2001."It has been a privilege to have worked with Ratan Tata, and to have been a part of Tata Motors during the turnaround phase of the company's recent performance. The spirit of its people is truly admirable. I will cherish many fond memories of their dedication and cooperation. I leave the company with a lot of goodwill and good feelings. I wish them continued success in their future endeavours," Sumantran said.Ratan Tata, chairman of Tata Motors, was quoted in the release saying: "Dr. Sumantran has been a member of the senior management team at Tata Motors, and has contributed significantly to the company during his association. I wish him all success in his future career."