Reciting Tashahhud after the Sajdah Sahw

Q: Salaah-618: Must the Tashahhud be recited after performing Sajdah Sahw, or will it suffice to recite only the Durood and du'aa? Will the salaah be valid if the Tashahhud is omitted?

Answer: It is necessary to recite the Tashahhud after Sajdah Sahw If not recited, the salaah will not be valid, but because a Waajib (compulsory) act was omitted, the salaah will need to be repeated.

Fatawa Rahimiyyah vol.2