
Quran :
(24:23) Those who charge with slander those Believing women, who are chaste but simple souls, are accursed in this world and in the Hereafter: there is a great punishment for them.
Hadith :
The Holy Prophet has said: “To slander chaste women is one of the seven ‘deadly’ sins.” According to another Tradition cited by Tabarani from Hadrat Huzaifah, the Holy Prophet said: “To slander a pious woman suffiices to ruin the good deeds of a hundred years. “