Can I join Indian Air Force after 10th class???? What are the basic requirements to apply for it???????

You can not join Indian Air Force after 10th class, basically it requires 12th as minimum qualification. You need to appear in the National Defence Academy examination. Following are the details of it:

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.

Required qualification:
The applicant should be 12th Class pass of the 10+2 pattern of School Education or equivalent with Physics and Mathematics conducted by a State Education Board or a University.

Important Dates
NDA and NA Exam (I)-2014
Date of notification: 21st December, 2013
Last date for submission of application:20th January, 2014, Monday
Date of commencement or exam: 20th April, 2014, Sunday