Answer:
(Fatwa: 230/L=144/TL=1433)
You should do isal-e-sawab, give sadqah and recite the holy Quran etc for your brother extensively. Particularly recite Surah Yasin and Surah Mulk, because these surahs prevent the punishment of grave. And probably, they were indicated in the dream as Surah Aman.
Allah (Subhana Wa Ta’ala) knows Best
Darul Ifta,
Darul Uloom Deoband
