Tata Sons chairman-designate Cyrus P. Mistry on Wednesday took over as deputy chairman of Tata Motors .Mistry was inducted to the board of Tata Motors in May. He also holds the position of a director in other group companies such as Tata Industries, Tata Steel, Tata Power, Tata Teleservices and Tata Consultancy Services ."Mistry will also be appointed to the board of Jaguar Land Rover," the company said in a statement.Tata Motors on Wednesday posted a 10.5 per cent jump in consolidated net profit at Rs 2,075 crore for the second quarter ended September 30.Mistry has held a director's position in group holding company Tata Sons since 2006, and was appointed as its deputy chairman last November. He is slated to succeed Ratan Tata as the chairman of Tata Group in December.With inputs from IANS