Airtel — don't give recharge value (@rs-399)

Address:

East Singhbhum, Jharkhand, 831001

Dear sir,
I am your old regular basis customers, i have buy a new one mobile phone handsets 4g,
Company recently sent massage your offer recharge @rs-399 you will get 84 days (1gb-data per day, call free-for-all local & std)
But i have not gat. Rechargeable value. Please give me recharge value
Thanks & regards
Mo. No-[protected]
Recharge date (14/10/2017)