Truenet Commerce — refund payment not received through flipkart

Address:	Truenet India Pvt Ltd, Jayanagar 3rd Block East - E Commerce Service Providers in Bangalore
Website:	flipkart seller

I ordered a phone real me 5 pro and cancelled on the same day on 24 march due to lock down after that i did not get my refund till now.. When i asked they are telling me that it is credited in my account on april 1 with this reference number for this refund is 74332740086008456132088.

When i check in sbi website its showing invalid reference number and they are making fraud by giving invalid reference id. Kindly make them for refund to my account with penalty.