Yes definitely dont give up try for it. You can also try Cmat in January and try getting 95+ as a backup it will definitely help you to increase your chances in securing a call and convert it.

I hope this helps.

All the Best.

SMIT-IIM-AMRITSAR-PGP/04

To be eligible for admission in GIM, Goa the candidates must score around 80 percentile in CAT.

which means according to this you are surely eligible for admission.