Vice President Venkaiah Naidu today said that great responsibility lies on the youth to combat the present day challenges being faced by the country. He said the nation faces a number of challenges ranging from poverty to violence to discrimination and illiteracy to environmental degradation. He was speaking at the convocation ceremony of  Jamia Hamdard in New Delhi. <br />''<br />''<br />''Mr Naidu said this nation needs able, visionary leaders who possess the 4 Cs -  Character, Calibre, Capacity and Conduct. <br />''<br />''<br />''<span style="color: #222222;">Mr Naidu exhorted the youth not to allow technology and gadgets to overtake people and relationships, especially those in the medical profession. </span><br />