<span style="color: #222222;">Human Resource Development Minister Prakash Javadekar has said that teachers' role is that of a nation builder and they must work with passion and vision. </span><br />'' <br />'' <span style="color: #222222;">Speaking at the valedictory session of the two-day national conference of Principals of Kendriya Vidyalaya and Navodaya Vidyalaya Samiti in New Delhi today, Mr Javadekar said there is a joy in teaching. </span><br />'' <br />'' <span style="color: #222222;">He said only those people should become teachers whose first choice is the teaching profession. </span><br />'' <br />'' <span style="color: #222222;">He said country is built by people and people are built by teachers. One thousand and 800 principals of these schools are participating in the conference. </span>