He said all languages in India originated from Sanskrit "and Hindi is the most convenient language for most of the population.
"Hindi ... (is) the fourth most spoken language of the world. Wish everyone on Hindi Day," he tweeted.
Follow NDTV for latest election news and live coverage of assembly elections 2019 in Maharashtra and Haryana.
Subscribe to our YouTube channel, like us on Facebook or follow us on Twitter and Instagram for latest news and live news updates.