Powai - The BMC is going to take up the stop the water flowing from leakages on a 300 mm optional at Powai Ventury in L ward. This work will begin on December 21 at 10 am and it will be completed in 24 hours. Hence, water supply in western parts of L and N wards will be stopped during this work. As a precautionary measure, the residents of Kurla and Ghatkopar are being advised to stock enough water and help the BMC in this work, appealed the civic administration.