balance not refund

Helo.
my name is shubam
my mob no is 9697260702
Mere isi no pe offer aya ki.69 ka recharge krao aur 69 ka fulltalkime 90 days valadity ke sath
maine recharge kra diya but uski valdity muje sirf – days ki hi mili
mere sath dokha hua hai plzz help
Aur sath mai mere 49 rupees bi kat liye gai plzz refund my balance
thankz