Hi Lilly.According to your rank you will not be getting mechanical seat in VIT chennai in 1st category.You may be getting it in any other higher categories.If you want fee details you can refer the below given links.

https://collegedunia.com/university/56865-vit-university-chennai/courses-fees?course_id=2094

Here are the hostel details

https://collegedunia.com/university/56865-vit-university-chennai/hostel