Adding a Surah after Surah Faatiha in the Third or Fourth Rakaahs

Q: Salaah-227: Will Sajdah Sahw be necessary when a person recited a Surah after Surah Faatiha in the third or fourth Rakaahs of a Fardh salaah?

Answer: Sajdah Sahw will not be necessary in the stated case.

Fatawa Rahimiyyah vol.2