chennai the city police are searching for a 25yearold executive of a bpo firm who killed his girlfriend and abandoned her body in his car after a botched attempt to dump it led to its discovery by neighbours and a security guard sparking panic in the apartment complex he lives in on baraka road in secretariat colony on monday night investigators said k dinesh an employee of serco global services ambattur appeared to have killed 22yearold s aruna with a blow to the forehead with a flower vase dinesh fled the spot on a motorcycle just as the security guard spotting fingers sticking out of a large bundle wrapped in a saree that the bpo employee tried to pass off as a mattress and pillow that he was taking for his hospitalised father raised an alarm an investigating officer said dinesh killed aruna a resident of choolai who worked with food corporation of india chetpet in his second floor apartment in vj flats the couple had been in a relationship for more than four years raman the security guard at vj flats told police that dinesh brought aruna to his apartment on monday evening as he did on several occasions earlier there was nobody at home his father kannappan a retired ongc employee was in hospital for heart surgery other family members including his mother and two sisters were at the hospital the couple spent a couple of hours together in the apartment they apparently had an argument around 830pm and dinesh hit her with a flower vase killing her on the spot an investigating officer said dinesh packed the body in swathes of cloth and rolled it up in the saree that aruna had worn when she came to the apartment he brought the body to the ground floor in the elevator but could not lift it and put it in his car dinesh asked a neighbour harish to help him put the bundle in the back seat but the gate of the complex was locked as people from the neighbourhood were performing puja at a small lord vinayaka shrine harish who suspected that something was amiss alerted the security guard sensing he was in trouble dinesh left the body in the car and escaped on his motorcycle security guard raman found part of a womans hand sticking out of the bundle in the car and informed the president of the complexs residents association balakrishnan who alerted police dinesh appeared nervous and the bundle he was carrying did not feel like a mattress dineshs neighbour harish said