The Indian Armed forces is one of the finest institutions in the country which offers excellent professional and personal lifestyle. One can have all the luxuries in the world at no cost and also have pride in serving the nation.

There are several ways to join the Armed Forces as officers . To broadly classify, you can either join after finishing your class 12 or after graduation. And also you can join either as a Permanent Commission Officer or a Short Service Commission Officer.

Entries after Class 12th

All entries after class 12 are compulsorily PERMANENT COMMISSION. As a Permanent Commission Officer you will be required to serve for a minimum period of 20 years from the date of commission. Though you may leave before 20 years also but you will not be eligible for life long pension and other ex-service men facilities which will be applicable if you retire after 20 years.

It's really nice that you want to join Indian Army.
So you want to join Indian Army after your graduation and you are a Commerce student.

So you can apply for the CDS(Combined Defence Services) exam after your graduation. It is the exam to become a officer in Indian Army.

UPSC conducts this exam twice in a year.
Feb/Mar and Oct/Nov

The path is like-
CDS exam - SSB - Medical - Merit List - Training(After clearing all)

Age limit - 19 to 25.