Yeah! Most of the companies allow from other branches to sit for the placement. So if you are in ECE at NIT Warangal then you can obviously sit for companies which are CSE/IT based, provided you must have the knowledge of coding and the skill of problem solving through coding.

Now NIT Warangal have a better placements than NIT Rourkela. But if you are interested in CSE then you should go for NIT Rourkella. See the interest is the key, if you study a subject which you are enthusiastic about you will get the opportunity to get satisfied in future.

To know more about NIT warangal visit the link below:

https://www.careers360.com/university/national-institute-of-technology-warangal

To know more about NIT Roukela visit the link below:

https://www.careers360.com/university/national-institute-of-technology-rourkela

I hope this answer helps. All the very best for your future endeavors!