Underground Hydro Power house had been always prone to risk of flooding and are provided with “Drainage and Dewatering System” which continuously remove the water collected in sump designated for the purpose. It has been also observed that extreme weather or accidents results in unprecedented water logging in the Power House making the systems inadequate. In order to support the protection “Anti Flooding Pump System” are new norm. BCTPL boasts the 1st of its kind in India.