Prime Minister Narendra Modi today lauded Sardar Vallabhbhai Patel's role in integration of India saying the Iron Man was totally devoted to the nation. <br/><br/>He was speaking at the inauguration of the digital exhibition on Sardar Patel showcasing his contributions to the nation. <br/><br/>Saying that no one has the copyright on Patel, Mr Modi said he follows the Iron Man's ideology and beliefs even though Patel belonged to Congress. <br/><br/>He said the concept of women reservation was first introduced by Sardar Patel, but his proposal was not paid heed to.<br/><br/> The Ek Bharat Shreshtha Bharat website was also launched. It will serve as the central platform for celebrating country's unity in diversity.