VILLUPURAM: Higher Education Minister K.Ponmudy has said that more than the natural resources it is the human resource that will help in country’s development. He was speaking at a function at Kalpet and Poyyapakkam near here to upgrade the middle schools into high schools. He said education was vital for human resource development. With this aim schools were being gradually upgraded in Tamil Nadu. During this academic year 5 middle schools and 6 high schools in Villupuram district would be upgraded.