At 4:28 He is saying that "its moosewala's favorite and daughter of Mikhail Kalashnikov who discovered ak47 (gun)" That guy in picture is Mikhail Kalashnikov.
Guys react to magadheera movie from bahubali director which is related to past life back to 400 years. Present Hero regains his 400 years back his memory.
He is saying that the guy who built/invented the AK47 (weapon) has a daughter (his girlfriend) - not real obviously but for the song to show that a firearm inventors daughter is his girlfriend.
He is talking about his girlfriend called ak 47 as 2pac calling his gun as girlfriend and talking about Mikhail Kalashnikova as he made ak 47 referring as his daughter