He highlighted BJP's focus on nationalism and national security, calling PM Modi a "close friend".
He was accompanying Rajyavardhan Rathore who filed nomination from Jaipur Rural Lok Sabha constituency.
Baba Ramdev backs BJP ahead of LS elections
Ramdev urges people to vote for the BJP
Accompanying Rathore, 53-year-old Ramdev urged people to vote for the BJP in the Lok Sabha elections. The Yoga guru asked the Union Minister to perform pranayam before filing the nomination, saying yoga is necessary for "those who fight battles".
PM Modi is the pride of Bharat Mata: Ramdev
"To make India a world economic and political superpower in next 20-25 years, we have to make Modi stronger. In his (Modi's) hands, the country is safe; the future of our jawans is safe, honor and respect of women is safe, and farms of farmers are safe," Ramdev said.
Only PM Modi can protect the nation, Ramdev said, terming him "pride of Bharat Mata".
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Time to punish the Congress, says Baba Ramdev
Baba Ramdev also targeted Congress over the party's NYAY minimum income scheme. "Now is the time to punish them. 'Nyay' will happen now at every booth and will be delivered by the public. Voters will do justice now," Ramdev said.
Ramdev distanced himself from BJP a few months ago
Ramdev was once a staunch BJP supporter but he had distanced himself from the ruling party a few months back.
In September, when asked if he would be campaigning for the BJP in the 2019 Lok Sabha elections, he said, "Why would I? I have withdrawn myself politically. I am with all parties and I am with no parties."