Hi anuraj! Both the colleges are preferable whereas alpha college fee rate is 2.6 for computer science which has the rating of 3.5 and is the affiliated college.acharya college is also a best college which is more preferable and the rating for it is 3.8 which has a fee of around 3lakhs for B.E students.hope so compared to both college you can first have a preference for aacharya college.all the best!!