<span style="color: #222222;">Vice President M Venkaiah Naidu and Prime Minister Narendra Modi greeted engineers on the occasion of Engineers' Day today.<br />'' <br />'' Describing exemplary engineer M. Visvesvaraya as a visionary on his birth anniversary today, Mr Naidu said he was a civil engineer par excellence, who harnessed India's water resources through dams. Mr Naidu said the nation remains ever grateful to his invaluable contribution.<br />''<br />''In a tweet, Prime Minister Modi said engineers are synonymous with diligence and determination. He said human progress would be incomplete without their innovative zeal. The Prime Minister also paid tributes to Visvesvarayya.</span>