Salah of Al-Awwabin is

A: The Sunnah Ratibah (supererogatory Prayer performed on a regular basis) offered after the Maghrib Prayer is two Rak`ahs, and then a person may offer any number of Rak`ahs they like. As for the two-Rak`ah Salah called "Salah of the penitent", it is groundless. (Part No. 6; Page No. 155)  It rather refers to Salat-ul-Duha (supererogatory Prayer after sunrise) which is offered when it becomes too hot, according to the saying of the Prophet (peace be upon him), The Salah of the penitent is offered when your Fisal (weaned camels) feel the heat of the sun. Related by Muslim in his Sahih (authentic) Book of Hadith.May Allah grant us success. May peace and blessings be upon our Prophet Muhammad, his family, and Companions.