Electronics and Communication Engineering

I think you should go with ece branch.Because for upcoming years ece have better scope in our country. Due to changed scenario in world the IT sector is suffering fall. While scope of ece is very wide and have great scope to rise in our country. So you should go with ece.

Yes, you can get the college as your rank is good. Just check the college details in the link:
https://www.shiksha.com/b-tech/resources/comedk-college-predictor

In Sree Venkateshwara College of Engineering, EC is better than CSE.

Both the departments are equally good both in terms of job prospects and higher studies. So, the only way to decide which group is best is by analysing your personal interests and alignment with each of these groups. Go through the scope of syllabuses of both of them and then make a choice.