Cyber Security

It is better to write something about the state, where you wish to pursue the B.Tech course. Because lacs of Colleges are in India offering the asked course. However, few colleges are listed below for an idea.
1. LPU Phagwara
2. Hindustan Institute of Technology and Sciences, Chennai
3. Manipal University, Manipal
4. Ansal University, Gurgaon
5. Graphic Era University Dehradun.

Yes, you are eligible to write entrance exam in IIT Hyderabad for cybersecurity. It is not compulsory in some of the colleges to give GATE only. Students can take admission by entrance exams and fulfilling admission criteria.

The female candidates are only eligible for Officers Training Academy (SSC Women Non-Technical Course) The eligibility criteria is given below
Eligibility criteria Degree of a recognised University or equivalent
Age 19-25 years. Marital status Unmarried
Exam Combined defense service (CDS).

Yes, you can do any Diploma after your class 10th .