At Pa bina's house, for the month of Poush, the drinking water's previous and present meter reading ore 1280 and 1350 units respectuely How much charge does she Pay in total after adding 50% of drain service Charge to the water charge ? According to khanepani limited rate of water chauno charges are as follows The minimum cast upto 10 unit is Rs 100 and then Rs 32 per unit from II units to above