Can I join Indian Airforce as a Technical Officer after completing BCA course ??

Yes you can join Indian air force as officer grade through NDA examination after passing 12th grade examination with science stream ..

National Defence Academy (NDA) examination organized by union public service commission two times in a year..

Eligibility:
For Army wing of National Defence Academy :-
12th Class pass of the 10+2 pattern of School Education or equivalent examination conducted by a State Education Board or a University.

For Air Force and Naval Wings of National Defence Academy
You should be 10+2 passed with physics and mathematics subjects.

Age limit
16 ½ to 19 Years

Sex:
Only unmarried male candidates are eligible.

Vision Standards for Naval Candidates:
Uncorrected without glass 6/6
Corrected with glass 6/6
Limits of Myopia -0.75
Limits of Hypermetropia +1.5
Limits of Colour Perception I
Binocular Vision III