https://www.desidime.com/discussions/yatra-is-a-fraud-company-dont-book-anything-here?page=1#post_9244956
take reference number, go to bank, ask.
Deny? go to RBI portal, file complaint. for banks fault.
go to
https://consumerhelpline.gov.in/other-porta...hp
OR
wait 15 days. no resolution, go to court,send legal notice