New Delhi: The BJP on Monday held protests in the party's headquarters in all states and demanded that Congress chief Mallikarjun Kharge should tender apology and resign for making "indecent and offensive" remarks on Prime Minister Narendra Modi. The row began and escalated thereafter on Sunday when Kharge at an event in Patna said: "Modi ka baap bhi jayega" while replying to an audience member's comment that "the PM would not go.