Do you agree internship opportunity is a cost effective method to minimize the cost and value add for the organization?

Yes, It is a cost effective method but companies should not neglect training these interns as this may result in lot of bad consequences. The interns are generally fresh graduates or MBAs, sometimes not accuainted with work ettiqutes and corporate cultures. if not trained properly will lead to waste of time of both employee and employers.

Yes I agree that an internship is not only cost effective but a great way to train the employee before making them a permanent hire. It is also in the best interest of the employee to gain this experience for future use. 

Yes I do agree.

Training course whenever effective employee training has been a change for the better and thought, which contributes to increase production and reduce costs and help to change to update the intellectual level of career

Yes, agree