Dear sir, My number is terminated without any notification... I am 4 year old customer of Airtel using Life time sim card "9890994409" from last 4/5 years. I have received call on my number on 13th NOV 2010. But from 14th NOV 2010 morning i am getting msg "Sim Registration Failed" . Please solve my problem as soon as possible, this is my professional number and i cant change it. I want the same number to be started again. pls hepl me to reactivate my number... read full review »