Republic day in India is celebrated each year with national galore & pride on the 26th of January. 

The Day is celebrated as the ‘Rastriya Mahostsav’ to honour the ‘Constitution of India’, which came into force in the year 1950.

This episode is also available as a blog post: https://iamdeepakweb.wordpress.com/2019/01/29/republic-day-parade-the-rastriya-mahotsav/