Airtel — not giving benefits as per given massage by airtel kolkata circle

Address:

Kolkata, West Bengal

On 12/12/2017. When i called at *123*0# for validity check through my my airlel mobile number [protected] then a massage displayed on my mobile phone that on recharge rs.9 i get local and std call rate at 25 paisa per minute for 56 days. But as per massage from airtel service provider of kolkata i recharged rs.9 on the same day but airtel gave me other offer with one day validity. I complained to airtel customer care on the same day bearing complain ref number pr[protected]