•    Voice: An instructor's voice must be clear and audible. It must not be harsh and monotonous.

•    Language and Speech: The language of an instructor should be simple and clear, easily understandable. It should not be ornamental and grammatically incorrect. Instructor should practice himself to be a good orator.

 Mental Quality

 •    Knowledge of the subject

 •    Knowledge of principles and method of teaching.

 •    Knowledge of psychology as learning is a psychlogical factor, which helps in learning.

 Moral Quality

 • Justice and impartiality: An instructor must be impartial in handling and dealing with their trainees.

 • Self control and will power: Instructor must have good self-control and will power to face the trainees.

 • Sympathy and Perseverance: Instructor should have sympathy, kindness and immense patience.

 Personal Quality

 • Leadership: Instructor must have leadership qualities to guide properly and give instruction to the trainees.

 • Class control: Controlling the class is also an important factor without which discipline cannot be maintained; when discipline is not maintained we cannot expect desired learning outcome.

 •  Class manners: His behaviours towards trainees should be very polite and gentle the instructor must avoid addressing them rudely and insulting them badly.

 •  Good habits: An instructor must have good habits like punctuality, regularity and honesty.