South Bihar Power Distribution Company [SBPDCL] — electricity bill not correct

Address: Patna, Bihar, 804454

R/sir
I am anant bhushan pathak my consumer no [protected] belongs with bpl family my electrcity bill generated rs 37556, my electricity meter jumped from sep 2017 when i have complaint my meter has been changed but bill not corrected now the staff of masaurhi sub division demanded old meter, sir old meter already deposited to department why can i give the old meter, so please solve my problem