The class also contains the practical training to get practical training so the numbers of the trainees are limited. The vocational institute set the classes schedule in such a way that it can easily cope up with the actual training.
The sizes in the vocational classes are kept in limited so they will get better training to the parents or guardians. It is important to give practical training for the parents. There are four to five such types of classes arrange per day to give training to maximum number of parents.