First of all congratulations for your result. You know that cutoffs change every year. But if we go through last year's cutoffs, then the closing rank for CSE in KL University lies around 7000 to 15000 rank and you have secured a rank 3478 which is really good. So based on the previous year data, you have fair chances of getting a seat in KL University. You may or may not get Computer Science branch but in other branches such as Electrical, Electronics you have good chances.