Airtel — fake offers/ balance deduction

Dear sir/ madam,
8 want to bring this problem in your notice that i have been cheated by airtel.
First i got my offer (149 un la2a +28gb 28days) in my phone but when i replied with 1 the pack got activated and my balance of 149 got deducted, but unfortunately i did not receive benefits of 28 gb.
I have got this offer many times and whenever i check my main account banace this offer comes on my display.
On contacting customer care number 198. They provided this this email.
Kindly look into this matter and provide me the actual benefits that show on my phone. Or refund my balance of 149 rs.

My mobile number :[protected].
I have also attached the screenshot of the offer. Kindly chekh the attached file also. Sir/ madam,
8 want to bring this problem in your notice that i have been cheated by airtel.
First i got my offer (149 un la2a +2 508gb 28days) in my phone but when i replied with 1 the pack got activated and my balance of 149 got deducted, but unfortunately i did not receive benefits of 28 gb.
I have got this offer many times and whenever i check my main account banace this offer comes on my display.
On contacting customer care number 198. They provided this this email.
Kindly look into this matter and provide me the actual benefits that show on my phone. Or refund my balance of 149 rs.

My mobile number :[protected].
I have also attached the screenshot of the offer. Kindly chekh the attached file also.