Hi Amrita!

First of all, a very hearty congratulations on your score!

To find out whether you will get admission in IIT's and to get an idea on the streams available, you have to follow the steps below:

You can find out the predicted college with respect to your preferences for a score of 753 using the college predictor provided by Careers360 through the following link:

https://engineering.careers360.com/gate-college-predictor

After following the above step, I am expecting that you have gotten a rough estimate as to which IIT or NIT you may get admission in. If you still have any queries, please feel free to comment.
Let me know if the answer helped you and all the best for your future!