Singapore Education Minister Ong Ye Kung has said India and Singapore enjoy a robust economic cooperation.<br />'' <br />''Addressing India Singapore hackathon in Chennai, he said, more than 8000 Indian companies are operating in Singapore and hundreds of thousands of skilled manpower from India are working in Singapore, contributing to the country's economic growth.<br />'' <br />''<span style="color: #222222;">He said, the comprehensive economic cooperation agreement between the two countries has been upgraded in June last year signalling the strengthening of economic ties.</span><br />