Join Indian Army after 12th with PCB

I have completed my 12th class with the subject of PCB, now am I join Indian Army or not ?

[Quick Sam]

As you said that you have completed your 12th class with the subject of PCB, so yes you can join Indian Army through NDA.

So I am giving you some information about NDA:
Eligibility for NDA:

Nationality:
A candidate must be a citizen of India.

Age:
A candidate must have minimum 16 and half year age.

A candidate must have maximum 19 year age.

Educational Qualification:
A candidate must be passed in 12th Class with the subject of physics, chemistry, biology or in the 10+2 pattern from a recognized board.

Physical Standards:
Applicants must be physically fit and medically according to physical standards for admission to National Defence Academy and Naval Academy Examination.

Key dates :
Date of notification : 27 December 2014

Last date of form submission : 23 JANUARY 2015

Date of NDA exam is 19th APRIL 2014