fake rule against 2g and 3g deta

i recharged my phone by 255 deta pack of 3gb wth 28 validity on 27 feb,which is a 2g data pack.again i recharged wth 26 wth 100 mb 3g data pack.nw they are saying that my 2g data plan is over by rechaging a bullshit plan of 26.this is complete ly a fake policy which is not given by TRAI ,AND ALSO NOT BY AIRTEL AND OTHER SERVICE PROVIDER.ITS MUST BE SOLVED…….VIDYA SAGAR SINGH..A COMMON STUDENT…