In order to work in army  one must first complete an MBBS degree from the Armed Forces Medical College (AFMC)  after completing colleges they are directly recruited to 5 years service in indian army as medical officer or

The Indian Army offers a Short Service Commission for BAMS graduates under the Army Medical Corps (AMC).you can join through this recruitment but for short service tenure which will later become permanent as per guidelines.

Keep an eye on the official Indian Army recruitment notifications for SSC entry specifically for BAMS graduates.