New Delhi, Sept. 15 -- An allegedly speeding BMW car rammed into a motorbike on the Ring Road on Sunday afternoon, killing the rider and severely injuring the pillion rider. Police identified the deceased as Navjot Singh, 56, who worked as the deputy secretary in the economic affairs department of the finance ministry, and the injured person as his wife, Sandeep Kaur, 54. The impact of the collision was such that the car then hit a divider and overturned. The occupants of the car, a couple and their two children, also sustained injuries. Police said Singh and Kaur, residents of Hari Nagar, were returning home and had taken the Dhaula Kuan road towards Raja Garden when the car hit them. They were crushed as they fell on a bus moving to their...