ITC — sundi (grub) in sunfeast glucose biscuit

dear sir/madam, i found a grub in sunfeast biscuit on 23/9/2014 at 9am details:- product- sunfeast glucose biscuit mrp- rs. 5 manufacturing date:- 25/5/2014 best before:- six months batch number:- U5A Case zone:- ambala city my details:- name:- aamir abbas naqvi contact number:- [protected] contact to itc:- by call on customer care[protected] times) by mail (1 time) response from ITC:- not sufficient/negligible