Hey Denamkonda Manish Verma,

Chances are less to get Mechanical engineering in VIT University vellore campus, but there are many chances to get Mechanical Engineering at Chennai campus. In terms of placements, faculty and facilities both the campuses are quite same. The campus size of chennai is smaller than vellore campus. The tution fee at both the campuses is same 1,98,000/- per year. The hostel fee at vellore campus is 72,300/- per year, at Chennai campus is 1.44 lakhs per year. To get more details about both the campuses you can check here:

Vellore - https://www.careers360.com/university/vellore-institute-of-technology-vellore

Chennai- https://www.careers360.com/colleges/vit-university-chennai