Greetings,

Yes, there are fair chances of you getting a seat in top colleges for this course.

For admission into top IITs, the student must score a GATE rank below 200 for ECE course.

To check how much marks you require to pursue ECE course from prestigious University, I am posting a link here which will be very helpful to you in providing detail review of the marks required:

https://engineering.careers360.com/articles/what-good-gate-score

For understanding how GATE marks are calculated: Students who appeared in GATE should know what GATE rank they would get on account of GATE marks.

https://engineering.careers360.com/articles/gate-marks-vs-rank

All the best!