<span style="color: #222222;">Prime Minister Narendra Modi has said that in the 21st century and in a fast-changing world, India will have to swiftly change to play its effective role. <br />''<br />''Speaking at the Grand Finale of Smart India Hackathon this evening </span>through video conferencing<span style="font-weight: bold;">, </span><span style="color: #222222;">Mr Modi said, with this thinking, necessary ecosystem is being rapidly prepared in the country for innovation, research, design, development and entrepreneurship. </span>