DEFENCE: Would girls be able to join any Defence force after 10th grade?

Presently, the Answer is a BIG No. 

Indeed, even Boys can't join any Defense Academy after tenth Grade. 

Young men Can Join After twelfth and Girls can join after graduation 

"Service of Defense is thinking to concede Girls in NDA after twelfth class ." 

Young ladies Can join Army Via 

1.) CDSE Entry - The written test is taken after by SSB for qualified applicants of Written Test. Unmarried female graduates can select OTA. Written Exam is held two times per year, in February/March and September/October. 

2.) Technical Entry - Being a Technical graduate you can join Indian Army through SSC-Tech which is for Short Service Commission. Specifically, call for SSB to the competitors who are above cut-off. Told two times per year Dec/Jan and June/July for SSC Tech Women. 

3.) NCC Special Entries - Direct SSB calls made to the hopefuls' having wanted capabilities after starting screening of the applications. Warning Made in April and October. 

4.) Judge Advocate Entry - Law graduates can apply through this. SSB calls made to wanted competitors after the introductory screening of the applications, at that point SSB call is made. Warning June/July. 

5.) Army Medical Corps - You can join the Indian Army as a specialist in the wake of finishing MBBS, or you can do MBBS from AFMC and get charged in Army. There is no SSB Interview for joining the AMC. 

The rank allowed on the first arrangement in the AMC will be as per the following: 

Capt (Equivalent rank in Navy and Air Force) – Where the applicant is in control of full Medical Registration endorsement. 

Lt (Equivalent rank in Navy and Air Force) – If the competitor has temporary Medical Registration Certificate and has not finished necessary pre-enrollment entry level position.