KARACHI: A Mysterious incident of fire has taken place in the offices of Advertisement Department of Sindh in the premises of Sindh Secretariat on Thursday. The fire was extinguished in 3 hours in the result important record of Advertisement Department of Sindh has burnt down. It is pertinent to mention that NAB Sindh is investigation a case of Corruption in advertisement department worth billions during the tenure of former minister for information Sharjeel Inam Memon who has recently come back to country after several months. According to the details received from the fire brigade department at around 11 am on Thursday information of fire was received, but an insider told on autonomy that the fire had erupted before 9am but the fire brigade was informed when all the billing record had been charred. Initially one fire tender with fire fighters were sent on the site but fire engulfed the office rapidly therefore three more fire tenders were sent on the spot to extinguish the fire. It took approximately 3 hours to control the fire and 2 more hours to cool it down but during the time important record of office was completely burnt.The reason behind the fire is still to be determined, sources have informed.