make my no. out of service.

Location/place: bulandshahr

Name of company/service: TATADOCOMO

sir,
i am customer of tatadocomo which is no.9410089800 and it was
converted in tatadocomo by mnp before one one month.today my mobile
show information that sim card registration failed but it was
properly working till 8july 2012 but now my no. is not in working.
i complained to tatadocomo customer care and mail appellate authority
but they did not took any relevent action.
please take relevent action to activate my no.
thanking you.

your truly.
Kiran pal singh
alt no.9058284400
add.street no.3 chandra lok colony khurja distt.bulandshahr-(u.p.west)203131