Java

Yes, knowledge on JAVA will definitely help you during your placements since you will also be able to sit for some of the companies visited to hire students from CS and IT department, provided that you are having a good knowledge in programming (any language). Thank You and Best of Luck.

Dear Anmol,
In my view, being from a commerce background, I would recommend you take up B.Sc in Computer Science. Most of the universities might have the requirement of Maths in class 12 but there are few universities that offer foundation subjects as part of the undergraduate program. I need further details on your academics to guide you further on available UK universities.

Hi Ankur,
Without maths, you will have very limited options. You will not be eligible for B.Com, BMS, etc. If you are interested in IP you may very well opt for BiPC. Gain additional IT certifications as per your interests and career plans.

Well, these are the most used programming languages for learning and are easy to implement. But there's Perl, PHP, Python, and much more.

Udacity.com: It has many free courses with sample codes and project.
DurgaSoft: It is a Youtube channel having the best example for all programming languages.

The career options in the field of cyber security are growing a lot these days. If you want to learn cyber security you can enroll for any of the training programs by http://pune.cssrl.in The training is possible in regular classroom or in online mode.

You can go for CSE i.e, Computer Science engineering, BCA i.e, Bachelor in Computer Applications, B.Sc in CS or IT.

OOP languages all are important. Each language has its own features. But C+ has all features of Java. But, Java does not support some features of C+.