NEW DELHI/SRINAGAR, Feb. 17 -- Investigators will on Sunday approach automobile manufacturer Maruti Suzuki in Gurgaon for help in determining the model of the vehicle that rammed into a security convoy and killed 40 men in Kashmir, officials involved in the probe said. The vehicle could provide crucial clues that can lead to other insurgents, one of these officials added. Remains of the vehicle are too damaged to identify the model or year of manufacture by agencies alone....