New Delhi, April 8 -- A 19-year-old student has been apprehended for allegedly mowing down a 41-year-old motorcyclist in south Delhi's Greater Kailash 1 last week, police said, adding that his mother has been booked for allegedly attempting to shield him and tamper with evidence. On March 31 at around 7.30pm, a speeding sedan rammed a motorcycle, resulting in the rider's death. According to police, a PCR call was received at the GK 1 police station. Police found that the car driver had fled the spot. The victim, identified as Surendra Das, who had been working as a cook at a GK residence for 20 years. With the help of CCTV footage, it was found that the 19-year-old was driving the vehicle. It is registered on his mother's name. The driver told officials that the accident was due to his negligent driving, police said....