Sir i passed 12th from CBSE board in 2013. I had 6 subject, PCM, Physical Edu. and Computer Science. I passed in PCM and Phy Edu, but due to some illness i did not appeared Computer Science subject. Is it necessary to pass in 6th subject for army, other competitive exams?
5 days ago when i appeared for Army recruitment rally. The army officials said You are not eligible as you are failed in 1 subject. Sir am I not eligible for Army?

Sir please help me to sort this as soon as possible.