Sister questions CCTV failure after Delhi man's hit-and-run death

24-year-old Prince Singhal died in a suspected hit-and-run near Delhi's Naraina Flyover on October 24 while returning home after night shift in Gurugram. 9 days since tragedy, his sister Diya Singhal has been seeking public help to identify the vehicle involved. She questioned alleged failure of CCTV, NPR cameras, claiming several were non-functional, lacked hard disks or had unsuitable angles.