Chennai-based motorsport racer Ashwin Sundar and his wife Niveditha were allegedly burnt to death after their BMW hit a tree and burst into flames in Pattinampakkam on Saturday. Reportedly, the accident occurred at 3:30 am when the victim drove his car above the allowed speed limit and lost control of his vehicle. Both, Ashwin and his wife succumbed to their injuries on the spot as they could not get out of the car in time.