Computer Science and Engineering

it's depend on you.
what is easy for and what is difficult for you.
no one can say that.

civil is the best department in the college

In the first year you pretty much have the general subjects. 1st year is generally same for all branches. In that you have Engineering drawing, Applied maths applied physics applied chemistry, electrical Science etc.
from second year onwards the subjects become branch specific. In CSE you will have f

u may get cse in b.p poddar.mckv.future institute

I dont know about BCA but for B.Tech u need maths in 1st and 2nd semester and for further semesters(ie.3,4,5,6,7,8 th) it depends on the engineering u are pursuing .

Follow the link and filter colleges according to price range :
https://engineering.shiksha.com/be-btech-in-computer-science-engineering-courses-in-delhi-ncr-ctpg

Provide your complete details for better assistance

First of all congratulations on securing such a good scoring, here is a link for all approved architecture colleges across India - https://www.coa.gov.in/index1.php?lang=1&level=0&linkid=25&lid=26

your JEE score is not enough for getting a IIT or any other engineering college.
but you can join any good private college.