they burnt the record pertaining to admission of students, but the same was burnt during the pendency of case. He has not brought the list of record which has been burnt regarding admission of plaintiff. Further he stated that it is correct that it is the duty of institute to get affiliation from Director General Employment training, New Delhi. It is correct that it is not the duty of students to get affiliation from Government. From these circumstances, this fact stands proved that the plea taken by the defendants that the plaintiff was in non affiliated unit on one hand does not stands established and on the other hand it was the duty of defendants to get affiliation. There is nothing in his testimony from which it could appear that they informed the plaintiff that he is studying in non affiliated unit. So, he could not get issued National trade certificate. Further main plea of the defendant is that they received letter dated 20.05.1996, in which they were instructed not to issue certificate to non affiliated unit, but on the other hand DW1 in his cross examination has clearly admitted that it is correct that the said letter issued by the Director General Employment Training, New Delhi, is