Hi Rare,

If you score 74 marks in gat exam you can expect a rank of 7200 and above.

But I would suggest that scoring anywhere above 70 should be more than enough to get your desired seat in a particular campus. Scoring anywhere above 50 will be sufficient to get you an admission in branches other than CSE (to be safe I am saying 50 because of the competition this year).

All the best for your future.