Who founded Anushilan Samiti of Dacca?

The ‘Anushilan Samiti’ was –

Who among the following founded the Organisation 'Mitra Mela' ?

Who among the following founded the "Lathi Club"?

Who propounded the doctrine of ‘Passive Resistance’?

Who among the following was NOT an early member of the 'Naujawan-Sabha' formed in 1926 A.D.?