He began his religious education at an early age in Mashhad, completing his muqadamat and Arabic under Sheikh Shams and al-Muhaqiq al-Mughani in the Ba'in Ya school.

Khorasani believes the attack of Fatimah's house holds a very high religious significance in the Shi'i creed.

[6] He leads a large mourning procession in Qom, on the anniversary of her death–in accordance to the third narration– annually, that sees hundreds of thousands of people participating in it.

[7][8] When the controversial marja' Sayyid Muhammad-Husayn Fadhlallah declared his opinion that the attack of the door was a myth, and deemed most stories as fiction,[9] Khorasani along with Mirza Jawad Tabrizi and Sayyid Muhammad-Sadiq Rohani deemed him a "deviant".

[14][15] In 2023, Ali Khamenei the Supreme Leader of Iran offered his condolences to Khorasani upon the death of his wife.