Bangalore Water Supply & Sewerage Board [Bwssb] — bill high for last 3 months

Address: Indiranagar

SE2
RRNo-E-246787/29-195
Cons No-10110
Dear team, we usually have a bill under ₹400 per month. January and February saw a bit of around ₹800+ and March it was ₹1205.
I am not sure what is causing this increase. Please help to check this as it is incorrect.