India's prominent yoga guru Baba Ramdev seems to enjoy an excellent rapport with Prime Minister Narendra Modi, given how he has always publicly supported the PM's policies. And thanks to their cordial connection, PM Modi was kind enough to be his chief guest at inauguration function of Ramdev's research institute.

But what kept the social media abuzz was an advertisement put out by Patanjali ahead of the launch in national newspapers. The ad refers to PM Modi as a 'Rashtra Rishi'. In case you are wondering what that even means, the ad helps with an explainer in brackets - 'The Saint Dedicated to the country'.

Here is the advertisement:

The strange title bestowed on PM Modi, expectedly, invited strong reactions on Twitter: