New Delhi, Jan. 15 -- Top carmakers-Maruti Suzuki India Ltd, Hyundai Motor India Ltd, Mahindra and Mahindra Ltd, and Tata Motors Pvt. Ltd-with an installed capacity of 5.4 million cars, are looking to increase their output by up to 39% to 7.5 million cars by 2030 as they look to cash in on one of the world's fastest-growing car markets. The capacity expansion plans come as the top carmakers prepare to launch nearly 80 new models over the next few years, including new nameplates, facelifts and upgrades to jostle for more market share in the world's third-largest automobile market. On Monday, Maruti announced the location of its new passenger vehicle plant with a capacity of up to 1 million units per annum in Khoraj, Gujarat, followed by Tata...