I want to join Air Force and for this decided to apply for the IAF Exam want details related to this exam. Will you provide me details about the Physical Qualification and other criteria to apply for IAF Exam also provide me basic requirements for all candidates to apply for exam?

To join IAF, candidates, irrespective of the entry mode and educational qualifications, must satisfy a basic set of Physical standards.

The list is quite long. But the main things that are checked are-

Weight and Height ratio
Good Physical and Mental health
Good hearing
Well developed chests (expansion should be at least 5cm after full inspiration)
Healthy Bones and Joints

Basic requirements for all candidates

Height
To join the Air Force as an airman, you should be at least 152.5 cm. tall. There are however, some trades that have different requirements.
Mechanical Transport Driver and Certain Technical Trades
Minimum height - 165 cm.
Minimum leg length - 99 cm.

IAF Police
Minimum height - 175 cm.
Ground Training Instructor and Musician
Minimum height - 167 cm

Clear Medical Record
You should have a clear medical record, with history clear of any of the following:

Mental Sickness/Fits
Diseases/Skin Ailments
Surgical Deformity

Chest
Minimum Expanded Chest (75cm)
Minimum Range Of Expansion (5cm)