Hyderabad Metropolitan Water Supply & Sewerage Board [Hmwssb] — Bill amount

Address:	Hyderabad, Andhra Pradesh, 500072
Website:	www.hyderabadwater.gov.in

I have a domestic connection to my independent bulding. before may-2016, i usually getting bill around Rs. 363/- per month. but in may 2016, suddenly it was raised to Rs.1295/- instead of 363/-. when i went to the office to enquire about this they said that there are 6 flats at my house. how they will charge based on the number of flats? but we are facing problem to get water sufficiently for drinking also. my can number is :[protected].