Inaugurating the centenary celebrations of the Institution of Engineers India (IEI) here, he said, “science and technology enable us to harness the resources provided by the nature so as to benefit the mankind. Stating that technological prowess, management, forecasting and innovation were vital for a nation’s progress, he said, “the desire to excel and attain perfection have to become keener for us to be able to cope up with the challenges of a changing global scenario.”