Colleges in Solan

CU is a better option over RBU for BBA as it has little better brand value.

You shall refer the following link:
https://www.shiksha.com/resources/college-comparison

Chitkara University is well known for IT and engineering courses.

Chitkara University is a no.1 choice for B.Tech in Punjab. Chitkara University has a really good reputation & university established in the year 2002. In the latest survey by CSR-GHRDC Engineering Colleges Survey 2017, Chitkara University has been ranked top in Punjab among the top engineering colleges. See the source for confirmation: http://www.chitkara.edu.in/events/csr-ghrdc-engineering-colleges-survey-2017-ranks-chitkara-institute-engineering-technology-11th-among-top-engineering-colleges/

Placement this time are going pretty well. Even though a proper stat is not provided by university yet but still many companies are visiting the campus.

Yes, really it's a good decision to take admission at Chitkara for B.Arch as Chitkara Architecture Programs established in the year 2004, approved by AICTE & recognised by Council of Architecture (COA). University provides the students with real responsibility and gives them an opportunity to develop their skills. Placements are also good for its all programs.

Both are equally good for CSE, as per their academic curriculum, industry exposure & also basis of placements opportunities.

Chitkara University is the best option for B.Tech CSE as the college mentioned by you as Chitkara University is one of the old university established in 2002 which has more good record then UIET