Prime Minister Narendra Modi on Sunday said development was the sole aim of his government.At a rally here in Haryana on the inauguration of a new Delhi Metro line, Modi said: "Since the time people have elected us, our sole aim has been development."He said as long as railways, roads are not constructed, the fruits of development cannot reach people.Modi said the way ahead for the country lies in the way the central and state governments work together, adding that infrastructure is essential for progress."Every Indian should have his or her home. This work maybe tough, but we have to complete it," he said.The new Delhi Metro line will connect Delhi and Faridabad.