Hello Naina,

hope you are doing well.

As per your query,  UPSC - Union Public Service Commission conducts majority of the defence exams in India. However, there are also a few independent organisations that conduct various defence exams to fill certain vacancies. Here is the list of certain Defence  sevices examinations for joining Indian army:

• C DS- Combined Defence Services

https://competition.careers360.com/exams/cds

• NDA- National Defence Academy

https://competition.careers360.com/exams/nda

For further information related to Defence Exams, please visit the link provided below:

https://competition.careers360.com/defence-exams

Hope this helps you. All the best!