If you were unable to say it otherwise, your prayer is valid.

These are the mistakes I found in my salah(s): 1)in one salah, I read ghair-ilmaghD(d for deen)ubi alaihim, is my salah valid? 2)in another salah walaD(a little T’a sound but majority Da came)aalleeen, is my salah valid?

Prayer |