Hi,

As per your mentioned query honestly saying there is no chance of you to get btech computer science or IT  course on 30000 rank. But there are chances of you to get some other courses.

2018 vit closing cut off by rank

Btech ECE - 14500

Btech mechanical engineering -  19500

Btech EEE - 15500

Btech chemical engineering - 19500

Btech civil engineering - 53000

Btech IT - 12000

Btech CSE - 7500

Btech automotive engineering - 12300

Btech electronic and instrumentation engineering - 18500

Following data based on the information that is available on the internet.

Hope this will help you !