New Delhi, Oct. 3: Maruti Suzuki India's board has approved a contract manufacturing agreement for a period of up to 30 years to be signed with an arm of parent Suzuki Motor Corp for the upcoming plant in Gujarat. "The board of directors of the company has, at its meeting held on October 1, 2015, approved the contract manufacturing agreement and the lease deed proposed to be signed by the company with Suzuki Motor Gujarat, subject to approval by minority shareholders of Maruti Suzuki India and regulators," Maruti Suzuki said.