bankura cops say they have found out exactly how udayan das allegedly murdered his livein partner akansha sharma udayan who allegedly also murdered both his parents used an identical method to murder akansha by drugging and strangling her the statement of a mason and a chemist both from saketnagar in bhopal will hold clinching evidence for investigators said sources on friday the cops also established in great detail how udayan had laid out a threemonthlong plan to eliminate the entire family of akansha according to bankura police sources udayan kept visiting akansha who was then in delhi since 2014 on each occasion he had travelled from bhopal but told akansha that he had travelled from the usthere is an app that can track flights taking off and landing across the globe udayan would choose any one flight from the us and switch his phone to flight mode he switched back to normal mode once this flight reached delhi even as he used a train to travel in between this way akansha never doubted him but once she reached bhopal akansha soon realized udayan was a fraudster and she had no hope of reaching the us to get a job it was then she decided to return home and arranged for a ticket on july 12 2016that was the day udayan decided to murder akansha he contacted a mason to create a welllike structure in the house but dropped the idea instead udayan first faked a doctors prescription and then managed to buy two strips of sleeping pills on the day of murder july 15 2016 the accused mixed her food and drinks with drugs as akansha lost consciousness udayan strangulated her he then bought a trunk from the local market having put akanshas body in the trunk he fetched two sacks of cement and stonechips sources saidwhen he failed in his attempt to prepare the desired concrete mix he fetched a mason and asked him to mix the concrete udayan however forbade the latter from entering his residence claiming he was preparing a stupa for the gods and outsiders were not allowed for the next two weeks udayan went about putting concrete to the trunk they added cops have recovered some intimate photographs of akansha from udayans laptop we are probing if they are morphed an offical said