Big Bazaar / Futurebazaar / Future Retail / Hometown — Fbb Gift Voucher redeemed without my permission by bigbazaar

Address: Banaswadi, Bangalore

Dear Sir/Mam,

fbb Gift Voucher redeemed without my permission by bigbazaar. 2 days completed, Still not refunded my 500 FBB amount .I want on emergency case.
I tried several times to the Customer care nobody responded this is not fare.
Like this condition means we will go to the consumer court with lot of evidences.
I am having all the relevant proofs. Please help me in this serious issue. Please refund my amount immediately.
Pl.do needful. Please send me the reply ASAP.
Thanks& Regards
N.CHANDRASEKHAR
Mobile No.[protected]