Q 2:
Does Salat-ul-`Eid (the Festival Prayer) or Salat-ul-Istisqa' (Prayer for rain) replace Salat-ul-Duha (supererogatory Prayer after sunrise)
or not?
A:
No, Salat-ul-`Eid or Salat-ul-Istisqa' are not substitutes for Salat-ul-Duha.May Allah grant us success. May peace and blessings be upon our Prophet Muhammad, his family, and Companions.