Vodafone India — Tariff changed illegally

Address:

Kolkata, West Bengal, 700124

Number : [protected]

Yesterday(14/03/16) At about 1.09 pm a request was taken and the request no was[protected].In the reply email I came to know that my plan will be changed to E_Connect 3G 299 with the bill discount Rs.100. Today(15/03/16) my plan has been changed, but where is this discount ? Please attached this discount with my number ?I didn't want to change my plan without this discount .
For any discussion call me [protected].