At which occasion did Salat become an obligation (Farz)? A) Miraj B) Hijrat C) Conquest of Makkah D) Visit to Taif Related MCQs: On which occasion salat became obligation (Farz)? Salat-e-Khusoof is performed at the occasion of: At the event of Mi’raj which ibadat became farz? Salat-e-lstakhara is offered for?