West Bengal

Hello Suvra,
There are various good colleges for CS Hons ) in Kolkata. For B.Sc Computer Science ( Hons.). Colleges please refer the link below for colleges. https://www.shiksha.com/science/colleges/b-sc-computer-science-colleges-KolkataLast to Apply depends on college please contact respective colleges for further details. For Further queries Post Comment and I will edit the answer accordingly. Thank You.

Check the below links for airhostess training institutes-
Mumbai:
https://www.shiksha.com/aviation/cabin-crew-air-hostess/colleges/colleges-Mumbai-all
Pune:
https://www.shiksha.com/aviation/cabin-crew-air-hostess/colleges/colleges-Pune
Kolkata:
https://www.shiksha.com/aviation/cabin-crew-air-hostess/colleges/colleges-Kolkata

I hope this link will help you
https://www.shiksha.com/it-software/colleges/bca-colleges-west-Bengal.

I'm from Bangalore. So, I can say about Bangalore.
Acharya College
St. Joesph College
St. Claret
Soundary College
Ramaya College
Central College
KLE College
MS College.
And, so many.

Hello, For B.Sc. . Mathematics, IISER ( Indian Institute of Science & Education Research) Kolkata is best. IIT, Delhi is also best for B.Sc. . Mathematics. JEE is an entrance exam for this. JEE is an exam conducted by IIT every year for undergraduate technical & non-technical programme pursue from IIT, NIT, IISER, etc.

There are few colleges which qualify to be amongst top position for BBA college qualifying certain important criteria like education, infrastructure, industry exposure, placements and mentor. I suggest you to check UEM Kolkata once before selecting the final one https://www.shiksha.com/university/university-of-engineering-and-management-kolkata-47398/courses/bba-bc.

Visit the below link for fee structure :
https://www.shiksha.com/law/course/b-a-ll-b-hons-the-west-Bengal-national-university-of-juridical-sciences-salt-lake-city-Kolkata-177367.

You can get all the details by clicking the given link
https://www.shiksha.com/b-tech/colleges/b-tech-in-mechanical-engineering-colleges-west-Bengal
welcome.