An 18-year-old girl was allegedly shot dead by her one-sided lover at Sector 21 Market in Gurgaon's Palam Vihar area Monday night. Victim Gunjan, a Delhi University student, worked at a Patanjali store on part-time basis. The incident that took place at 9p.m. was captured in a CCTV camera installed outside a shop. A hunt is underway to nab the assailant.