Kolkata: A sanitation worker of Kolkata Municipal Corporation found a foetus inside a drain on Monday on the Becharam Chatterjee Street in Parnasree.The local councilor and the police were immediately informed and the foetus was sent for an autopsy examination. According to local residents, sanitation workers on Monday morning opened a manhole to clean the pit. One of them saw the foetus floating on the water. Local councilor Ratna Roy Chowdhury and Parnasree police station were informed. Also Read – Bose & Gandhi: More similar than apart, says Sugata BosePolice sent the foetus for an autopsy examination. According to source, the foetus was terminated at an advanced stage of pregnancy and the gender of the unborn baby could not be established. The details could be ascertained after the autopsy report is examined. Police officers are trying to know if any abortion was recently carried out at nearby hospitals and nursing homes. Officers are also checking if any accidental abortion case was recently reported. Police said since the abortion was carried out at an advanced stage of pregnancy, the woman who underwent the procedure might have been under medical treatment as well. It is suspected that someone from nearby areas could have disposed the foetus to erase any possible crime evidence.