Which Companion of the Holy Prophet SAW is known “Babul Ilm”?

حضور صلی اللہ علیہ وسلم کے کس صحابی کو "باب العلم" کہا جاتا ہے؟

Hazrat Usman R.A

Hazrat Umar R.A

Hazrat Ali R.A

None of these

Hazrat Ali (R.A) was martyred on 21 Ramzan 40th Hijri Fajar prayer in the mosque of Kufa.

He is buried outside the city of Kufa, Iraq.