Delhi Jal Board — Wrong meter reading and wrong bill amount charges

Address:

360/A ravidas gali no 3 mandawali delhi -110092

My name is Mahest kumar .My water bill Kno is [protected].After year 2022 my bill comes in (ns) every time and no specific reading shown in my bill and I use less than 20 kl water then why should I pay money.My meter is also working fine. My 4 months bill water supply bill comes around rs-1970 .I don't how djb workers calculate my bill without any proper reading. Pls I am a middle-class man how can I pay such bills. Pls solve my problem.