Jabong.com — delivery done earlier but another delivery came 5 days later

Address:

1-f-1 vigyan nagar kota, Sonbhadra, Uttar Pradesh, 324005

I placed order on 11th May of dame d.o.l.l.a shoes and got it delivered by 13th May.. today on 17 th May another delivery came which is shown official by having app...then what was the earlier delivery all about and also are my product is authentic. It even came in jabong's cover which I unfortunately threw... My registered number is [protected]