Government & Defence Entrance Exam

Yes, you are eligible to apply if your age is between 16.5 to 19.5.

Exam dates are not yet decided, kindly wait for the notification and till prepare your self.

It totally depends on what you actually want to do if you think you can crack NDA exam while making a year drop that's totally your choice because NDA selection doesn't mean by its written exam only you need to clear SSB interview and then medical test and after all of this selection in the merit list. If you think you can make it by dropping one year then go for it it is totally your call.

Yes, arts stream students are eligible for the examination kindly visit the link to know about the exam pattern and syllabus
https://www.shiksha.com/exams/nda-exam-syllabus.

Kindly visit the link to know the cutoff or required marks and question patterns
https://www.shiksha.com/exams/nda-exam-syllabus.

Read daily newspaper focus on maths and work according to the syllabus. Visit the link to know more about the exam pattern and syllabus https://www.shiksha.com/exams/nda-exam-syllabus.

No, females are not eligible for NDA. Only male candidates are eligible for the examination.

Yes, a commerce student is eligible for applying for NDA examination.

The National Defence Academy NDA is the joint services academy of the Indian Armed Forces, where cadets of the three services, the Army, the Navy and the Air Force train together before they go on to respective service academy for further pre-commission training. The NDA is located in Khadakwasla, Pune, Maharashtra. It is the first tri-service academy in the world. If you want to know more visit the link below
https://www.shiksha.com/exams/nda-exam-syllabus.