Yes, a female candidate can join in Indian Army as Officer, but it is possible only after completing the graduation. You can join through CDS. Following are the details of Combined Defence Services Examination:

Combined Defence Services Examination for India army:

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