Sardar Vallabhbhai Patel, India's first Home Minister, played a vital role in uniting hundreds of princely states into the Union.

His commitment to national integration earned him the title 'Iron Man of India'.

In 2014, the NDA government declared Patel's birthday, Oct 31, as National Unity Day to honor his legacy.

On this day, 'Run for Unity' is held across the country in honour of Patel's tireless efforts in uniting the nation.

The Statue of Unity, dedicated to Sardar Patel, was inaugurated in Gujarat by PM Modi on October 31, 2018.

The govt said the occasion will provide an opportunity to reaffirm inherent strength and resilience of India to withstand threats to its unity.

President Droupadi Murmu and Vice President Jagdeep Dhankhar paid tribute to the 'Iron Man' on Tuesday at Patel Chowk.

Home Minister Amit Shah and Delhi LG VK Saxena also paid floral tribute to Sardar Patel.

PM Modi paid tribute to Sardar Vallabhbhai Patel at the Statue of Unity in Gujarat.

Amit Shah said Patel had an unforgettable contribution in the integration and development of the country.