SERVICE NOT PROVIDED AS OFFERED IN ADVERSITMENT

Location/place: Vellore, Tamilnadu

Name of company/service: TATA DOCOMO TELESEVICES

i HAVE TAKEN SIM IN NAME OF MY DAUGHTER WHICH OFFERED FOR VITIANS WITH FOLLOWING OFFER-
1. 2 GB GPRS VALIDITY FOR 03 MONTHS
2. 100 SMS/PER DAY FREE FOR 3 MONTHS
3. CALL RATE 1.2 P/SEC.
4. TALK TIME 449
BUT ACTUALLY I’M GETTING –
1. 2 GB GPRS FOR 1 MONTH VALIDITY
2. 50 SMS FREE PER DAY
VALIDITY FOR ONLY ONE MONTHS.
WHEN I TOOK SIM THAT TIME OFFERED GIVEN IN WRITING & DOCOMO SALES MANAGER EXPLAINED THE OFFER BUT NOW HE DENYING THE SAME. COMPANY LIKE TATA CHEATED US & ALL STUDENTS ,ONLY ADVERTISEMENT LUCRATIVE OFFER BUT NOT ACTUALLY GIVEN.
I HAVE ADVERTISEMENT PAPER WHICH OFFERED WITH VISITING CARD OF DOCOMO SALES MANAGER.
PLEASE SOLVE THE CASE