Programming Languages Scope

Big data Hadoop would be a better option in Indian IT market, because it is in trend now and most of the MNCs are currently working on data Hadoop.

It seems you are not putting an effort in theory papers. Any recruiter looks at the overall performance of students. Therefore, you are advised to put the effort in all papers equally to score well.

There is wide range of opportunities in programming languages. But, there are so many languages like C, PHP, java, c+, python, etc. Choose your language which you have interest and learn and research. Practice more and more. Once you have skills in any language, you can join any organisation as a programmer.

If you want to go in for cyber security You should first complete your graduation atleast in BTech computer science or BTech IT or BCA
Then you should go for a course to make you CEH (Certified Ethical Hacker)
Getting all the necessary training you will be certified as an ethical hacker on completion and various companies will hire you for IT security

You can pursue B.Tech in CSE or IT.

As long as you are technically strong, you won't face any issues. So, I would recommend you to learn the language practically by joining some course and enhance your technical skills. Employer is more concerned about your technical part, and if you are able to impress him in the same, you will be hired.

Currently there is an acute shortage of good test automation engineers. Maximum innovation is taking in the field of test automation and may replace manual testing in near future. SAP is bit crowded career option. Therefore, I am of the opinion that for a fresher IT professional, Automation Testing option is a better career option.

Python is an easy language to learn and have comparatively equal scope as that of java in industry. You can start with tutorialspoint.com.

Yes, you can but you should have basic computer knowledge and programming language knowledge.