This incident occurred on 10th august-2017 at ooty airtel office.
Around 30 days back, i got my 4g sim from 3g in my 4g handset.
I went to airtel dealer in ooty to put rs399/. Pack. He said this pack of rs399/. Is not valid in my phone.
He told me that airtel have given big / huge advertisements in internet regarding rs399/ packs. But only few selected customers will get this facility.
If you want you can change your this same airtel sim from airtel to jio, who are assuring and providing free facilities as per their commitments. Airtel is publicizing the advertisements in tv, magazines, internet, facebook, etc & are not fulfilling it.
Airtel customer support has been notified about the posted complaint.