Dear student,

As now you have completed your 12th with Physics, Chemistry and Mathematics, you have to go to the official side of NDA exam portal which is UPSC and check when is the registration date for NDA exams.

In a year, two NDA exams are held. Generally NDA -1 is conducted in April month and NDA-2 is conducted in September month.

Below I am telling you some more details about it.

Only male candidates are allowed and the age should be between 16.5 years to 19.5 years.

After you crack NDA exam, you will go through the training of 3 years.

After completing your training, you will be serving as a lieutenant in the Indian defence services.

I hope this information helps you.

To know more about this, you can go through the link below.

https://competition.careers360.com/articles/how-join-nda-after-passing-12th

Good luck!!