Vodafone India — Data pack expires before scheduled expiry date

Address:

Bongaigaon, Assam, 783380

As per bihu special offer from 15th till 17th april, i recharged my no with 346 on 17th april, having validity of 84 days. The pack consisted o[censored]nlimited calls + 1gb 3g/4g data daily. But on 11th june the pack expired lasting only 56 days. I'm trying to contact with the company officials but there is no response from their side. I hope i will be helped in this regard.