Can private 12th class candidates apply for Indian Air Force??? If yes then which entrance examination do I need to crack…………

Yes, of course, a private 12th class candidate can apply for Indian Air Force, provided you have studied mathematics and physics in the 12th standard.

You need to appear in the NDA examination, following are the details of this examination.

Nationality:
A candidate must be either be a
A citizen of India , or
A subject of Bhutan, or
A subject of Nepal, or
A Tibetan refugee who came ovbet ot India before the 01 January , 1962 with the intention of spermanently settling in India, or
a Person of Indian origin who has migrated from Pakisthan, Burma, Sri Lanka and East African countires of Kenya, Uganda, the United Republic of Tanzania, Zambia, Malawim Zaire and Ethiopia or Vietnam with the intention of permanently setting in India.

Sex:
Only unmarried male candidates are eligible.

Required qualification:
you should be 12th Class pass of the 10+2 pattern of School Education or equivalent examination with mathematics and physics conducted by a State Education Board or a University.

Physical requirements:
Running 2.4 km in 15 minutes
Skipping
Pushups and sit ups (minimum 20 each)
Chin ups (minimum 08)
Rope climbing - 3-4 metres