Hey Aditya Dudhane,

VIT  University is ranked as No.1 private in India.

It is ranked as No.1 private univeristy by NIRF MHRD Government of India 2018 because it has well equipped labs,infrastructure, faculty,facilities,administration, research and development too! 

For you marks you have more chances to get admission in VIT University Vellore campus!  And even you can get a seat in CSE in chennai or orther campus rather than vellore campus! 

For more details and rank predictor you can go through following website link which may help you,

https://engineering.careers360.com/articles/viteee-cutoff

HI, You need to aim below 7k as per last year cutoff trend to get CSE in both campus.
Also you can get other branches.
To know what branches you can expect in VIT you can check below:
VIT 2017 Cutoff

Good Luck.