A 26-year-old electrician was allegedly shot dead by a groom and his two friends during an engagement ceremony in Gurugram's Pataudi on Thursday, police said. The accused, 23-year-old Amandeep, allegedly abused and assaulted the victim after getting annoyed over a faulty LED light inside the tent, the deceased’s father-in-law said. The victim sustained around 30 splinter injuries on his back.