Will you please tell me the complete Procedure to join Indian Army after completing MCA??

To join Indian Army after completing MCA you need to appear in the CDS examination, the Combined Defence Service examination of conducted by the UPSC. Following are the details of the CDS examination:

Nationality:
A candidate must be either be a
A citizen of India , or
A subject of Bhutan, or
A subject of Nepal, or
A Tibetan refugee who came ovbet ot India before the 01 January , 1962 with the intention of spermanently settling in India, or
a Person of Indian origin who has migrated from Pakisthan, Burma, Sri Lanka and East African countires of Kenya, Uganda, the United Republic of Tanzania, Zambia, Malawim Zaire and Ethiopia or Vietnam with the intention of permanently setting in India.

Eligibility:
The applicant should hold Degree of a recognized University or equivalent

Age-limits
19-24 Years Indian Military Academy

Tentative Schedule: (Examination held twice a year)
Notification of Examination August and March
Conduct of Examination February and August