BCA Governement College

First of all you should try for B.Tech if not possible then BCA where you should majorly focus on competitive coding or development so that you can easily get a job of 30-50k and then you should think of specialisations like machine learning AI data Science which can give a big boost or you can go for MBA if you have interest in that side.

In Lucknow, there are colleges like Amity University, Integral University, University of Lucknow, SRMU, etc.

Chhatrapati Shivaji Maharaj University, Near Shedung Toll Plaza, Old Mumbai, Pune Highway, Panel, Navi Mumbai, Maharashtra, India.

Dr. BMN College of Home Science
Chandrabhan Sharma College of Science and Commerce
National Institute of Management
These are the top colleges for BCA in Mumbai.

Listing few best colleges for BCA studies in New Delhi. Institute of Management Studies, Noida
Lingaya's Vidyapeeth, Faridabad
Vivekananda Institute of Professional Studies, Delhi
Sharda University, Greater Noida
K R Mangalam University
Institute of Management and Technology. The list is not complete here. The college are vast and the best ones among them could be the above ones. You can check about college and understand if it is helpful for you in making the right decision for your higher studies. All the best.

BCA stands for Bachelors in Computer Application, which is a under graduate course can be done after 10+2. The list of best colleges are:
MIT Arts, Commerce and Science College, Alandi, Pune
Suryadatta College of Management, Information Research and Technology (SCMIRT), Bavdhan, Pune
MKSSS's K. B. Joshi Institute of Information Technology, Karve Nagar, Pune
MIT SOM College, Kothrud, Pune
Sinhgad Institutes, Pune (Under Graduate Colleges), Off Karve Road, Pune
Bharati Vidyapeeth University - Amplify Department of IT and Management, Dhankawadi, Pune.

Delhi University does not offer BCA course but it offers B.Sc. In Computer Science. So, you have to apply for B.Sc in CS. Else, you can opt for GGSIPU colleges.

There are over 47 BCA colleges in Kolkata (Public and Private). Please refer to the link provided below fro a detailed list of these colleges. You should be able to navigate to a college of your choice using the filters on the web page. Regards. https://www.shiksha.com/it-software/colleges/bca-colleges-kolkata.

1. M.L.Parmar College of Computer Science & IT
2. Academy Of Computer Science and Apps.
3. GLS Institute of Computer Technology
4. St. Xavier's College