Big Bazaar / Futurebazaar / Future Retail / Hometown — can't get my money back in my wallet

Address:

Hakimpara ,Jalpaiguri--735101, Jalpaiguri, West Bengal

Sir
On 01.05.19 i bought some items and intended to pay through future wallet. One of the employees in jalpaiguri big bazaar outlet (W. B) debited rs.286.00 from my wallet but later he said though money debited software was not supporting that and i had to pay the same in cash. He told me the money debited would return within 72 hrs but till this date miner has not been returned.
Pls help me.