kolkata laltu biswas 45 a smalltime promoter who had been missing for three days since wednesday was found dead inside an underconstruction building in garias srinagar on saturday evening the decomposed body has been recovered and sent for postmortem police have initiated a case of murder biswas had taken over work to construct the third floor of the buildingpolice said that biswas a resident of garia was also a bsnl employee at a telephone exchange in harinavi he had gone out of home for work last wednesday he used to go out from his house on a bicycle and used to keep the cycle at a local market and then take take a bus biswas has two sons a classxi student and another a firstyear college studentaround 230pm on wednesday he had called up his home saying he would return early however since then there had been no trace of him around 430pm that day his family members called him on his mobile phone but its was switched off after a futile search attempt a missing dairy was filed with sonarpur policeat 5pm on saturday there was tension in the locality after biswass body was found on the third floor of the underconstruction building some people who were searching for flats had come to the building to make an inspection they noticed a stink as soon as they opened the door in the third floor biswas was found dead with injury marks on his throat face and nose his face and nose was smashed in with a brick that was lying beside the bodypolice suspect that the murder is a fallout of an old rivalry they are also not ruling out the possibility of him being killed by extortionists after refusing to give in to their demands locals however suspect that the murder could have something to do with an illicit relationship police are probing all angles