Mumbai, Jan 03 (ANI): Prime Minister Narendra Modi on Saturday said a nation's progress and its human development are linked to science and technology which can also remove national barriers, unify the world and advance peace. Modi while addressing the 102nd session of Indian Science Congress at the Mumbai University also said that science may be the product of human brain but it is also driven by the compassion of human heart. Stating that he felt honoured to participate in the event, the Prime Minister added that he found science and technology an invaluable ally in governance and development.