Answer:
(Fatwa: 2276/1775=H/1429)
Celebrating birth day is unlawful. There is no need to neither invite the friends to feast nor to distribute blanket etc among orphans, rather you should keep on doing such good deeds on any day or any date of the year.
Allah (Subhana Wa Ta’ala) knows Best
Darul Ifta,
Darul Uloom Deoband
