Tamil Nadu Electricity Board [TNEB] — Too high electricity bill for last session

Address:

72, pattarkanmaai, somanathamangalam

Dear officer.. my house last reading current bill is more higher than previous current bill, previous current bill was 750/-, and present current bill is 3280/-, how is this possible to get more.. and one more here's power supply is low current for ex 160VAC .. I need solution for these issues