it goes like DxDxDxDUD DxDxDxDUD this is for "toota toota" strumming part and for "allah ke bande "part ..........DDUD DDUDUD DDUD .. just down and ups without muting D=Down stroke x= Mute while strummin up U=up stroke just listen to the song u'll get an idea of what im tellin u abt
I also strum same what pradeep mentioned, actually muting style is used in whole song. So I follow muting style for both parts toota toota... and allah ke bande...