Airtel — problem with message sending

Address:

Rangareddy, Andhra Pradesh, 500070

Hi, i have ported my number from other mobile service to airtel becaus it is a good network but now i am facing a problem that when i am sending sms from my airtel number is is not getting received by the other person. Kindly resolve my problem plzz. I am using this number for bank account but now when any authentication that is happening through my number is getting failed. This is becoming big problem for me if you cant resolve my issue kingly let me know so that i can use my provious service so that i cant face this problem.