Programming

It depends on your interest. If you are highly interested in coding then go with Java, otherwise, go with SQL.

For campus preparation, you must prepare for C, Java and Data Structures as well as quantitative and reasoning.

There are lots of job options for you in Bangalore. As a data scientist, you can go with data analyst, ML engineer, deep learner analyst, etc.

The most basic programming language is C in every field. It provides a better understanding of concepts, programs and their result.

There are lots of institutes in every city that provides training on ML and Python. You can also go with online organisations like Coursera, Udacity, etc.l

I think computer programming is much better than medical coding. In computer programming, you have options like C, C+, Java, Python, etc. It has a better scope too.

As you know Java and Python but your class 12th marks are not enough to get admission in this college.

Hello Vivek, There are thousands of jobs vacancies that are advertised by the GoI and other state government's every year. I am attaching a link that will give you all the required information about different vacancies. https://www.indgovtjobs.in/2013/09/10th-12th-pass-govt-jobs.html?m=1
Best wishes.

Yes, you are eligible for pursuing B.Com programme from any decent college of Delhi University as you have scored a good percentage and as the ranking of colleges is considered, choose the college which is best suitable to you in terms of transport, faculty members & many other factors.