Now I am in Chitkara University and want migration in 3rd semester to Shoolini University. What are the conditions of migration?

Chitkara University does not publish an official fixed cutoff forB.Tech CSE. Admission is based on 10+2 merit + JEE Main score / Chitkara University Test + Personal Interview

Both are best for BTech courses, the fee and placement packages were different 

Chitkara University maintains a strong dual focus that blends applied learning directly with robust placement outcomes, operating on an "Industry-First" model where learning is designed to make students job-ready.

The highest package offered during the placements at Chitkara University Institute of Engineering and Technology is INR 1.11 crore offered by Amazon.

Both  Chandigarh University and Chitkara University are top choices for a B.Sc. in Hotel Management. 

You can check the detailed comparison from the link given below-

https://www.shiksha.com/compare-chandigarh-university-cu-vs-chitkara-university-45668-25096