According to previous years cut off rank analysis which is subjective as cut off ranks change every year depending upon current years level of difficulty of examination and no of candidates applying for ece  specifically but if we look at previous years cut off then

For CS branc the cut-off is around 850 to 900(in 2nd round which is the final round

For EC it is about 1500(2nd round)

For EE it is about 2000(2nd round)

And it goes up to 3000 for all the other streams like civil, mechanical and bio tech.

So it looks that you can get.