National Engineers Day 2022: Significance In India, Engineer’s Day is celebrated on September 15 every year to recognise the contribution of engineers in the development of the nation and remind all the engineers of the country, especially civil engineers, to make Sir M Visvesvaraya their role model in accomplishing their goals and contributing to the country’s development. In 1968, the Government of India decided to observe September 15 as National Engineers Day. As per reports, India has the second largest number of engineers in the world. Often at times, India is also referred to as the country of engineers.