Both Kalasalingam University and Vel Tech University are good for engineering but they differ in focus and strength. Kalasalingam is strong in research and technical subjects, it offers good lab facilities sponsored projects and has a lower fee structure in many branches. Vel Tech is focused on engineering especially computer science and information technology, it has strong industry connections high placement support and more internship opportunities. Both have accreditation and are recognized by government, so your choice depends on your branch preference rank and budget. You can see full details placement and fee comparison here

https://engineering.careers360.com/colleges/kalasalingam-university-krishnankoil

https://engineering.careers360.com/colleges/vel-tech-mgp-technical-university-chennai