Pashchimanchal Vidyut Vitaran Nigam Ltd - Overcharges on bill

My account no: ************
I have last paid bill on **/**/**** and my electricity meter is changed after paid bill then previous paid bill amount is added into new meter and meter reading is *** but current bill amount is Rs.**** and my was due on feb month and electrician was not come for bill receipt, In march month lockdown declared and bill is continue wrong from feb month. I have requested many times for bill correct but in lockdown bill is not correct.