Trai — trai blocked my no without authentication

Address:

New Delhi, Delhi, 110059

Hi i got an sms from airtel saying that trai is going to shutdown my number because i have made some promotional call. I am a house wife and i have been using my number as my personal number for around 5 years. Day before yesterday i visited army hospital for some checkup, there someone asked for my phone to make an urgent call. So i gave him my phone, he contacted on 2-3 numbers and then gave it back to me.
Fast forward, yesterday my number has been shutdown and i have even contacted airtel for the same but they say they cannot help in this case.
My number is :[protected]
I do not know whom to contact now.
This is horrible, my family members cannot contact me nor i can call anyone.

This is injustice, trai can't block any no just because some one have a complained about any no. What's the proof that this no was used for any promotional purpose. Please resolve this as soon as possible.