Three engineers of the Public Works Department(PWD) in West Bengal have been suspended for alleged dereliction of duty in the recent microphone failure episode at the State Assembly.<br/><br/>The incident occurred on the second day of the winter session of the State Assembly.<br/><br/>Talking to newspersons the State PWD Minister, Mr. Khiti Goswami said in Kolkata on Thursday that a four-member committee headed by Chief Engineer of PWD Mr. Swapan Das has been formed to look into the matter and submit its within fifteen days.<br/>