23 FLT NO.G3, MITHILA APTS
BRINDAVAN EXTN ST WEST MAMBALAM
Phone number is 04424730052
Customer ID 4018964482
Account Number 9032822491
On 5th September 2013 I have submitted the plan change(from 250 to 950 plan) form to BSNL staff at Kodambakkam and confirmed the plan change from Customer care dept.
But today I shocked to see the SMS for bill amount Rs1819.
Please look in to the matter