President Ram Nath Kovind on Saturday said the aim of the Indira Gandhi National Tribal University is to help tribal youth participate with greater vigour in the building of modern India.It could be done by giving them the best possible opportunities in education, he said during the university's convocation here. He said establishment of the Indira Gandhi National Tribal University in Madhya Pradesh was appropriate as the state had a 15 million strong tribal population. He also said that a university convocation was not just a ceremony to honour the graduating students but an opportunity to dedicate to society the services of an educated, equipped and disciplined cadre of youth. "A convocation is not the end of education but the beginning of a responsible life."The President called upon the students to leave an imprint on society that was so meaningful that the university could be presented as a model for the entire nation. He expressed confidence that the graduates would always keep learning and would make a significant contribution to the uplift of the underprivileged in the society and to the progress of the nation.