Snapmint — Vouchers scam

Address: Navi Mumbai

Snapmint provided me with a three differnt vouchers but all these vouchers are not working it’s been showing that your vouchers have been already reedemed by someone else what shall i do now .
And at the first place i ordered from Flipkart but they gave me amazon vouchers and when i contacted them back they said they will look into matter and i forwarded the vouchers to [protected]@snapmint.com and after that now they are not responding to it well i got scammed of rupess 1621 . Please help me out