Is collective du'a after fardh salaah permissible?

“Although congregational Dua after Farḍ Ṣalāh is not explicitly proven from any Ḥadīth, this much is proven that it is a time when Duas are accepted, also the virtues of collective Dua have been proven in many ‘Aḥādīth, and since here the congregation is automatically formed due to Ṣalāh, therefore there is no harm in making a …”

“Although congregational Dua after Farḍ Ṣalāh is not explicitly proven from any Ḥadīth, this much is proven that it is a time when Duas are accepted, also the virtues of collective Dua have been proven in many ‘Aḥādīth, and since here the congregation is automatically formed due to Ṣalāh, therefore there is no harm in making a …”

“Dua after the Fardh Salaah should be made silently by the Imaam and Muqtadis. Allah Ta’ala states in the Quraan: Call unto your Rabb in humility and in secrecy.”

“Making Dua for the deceased after the burial individually and collectively is allowed; however, congregational Dua after burial as accustomed at present time where one supplicates and the others say Aameen is not proven and to regard it necessary is incorrect in Shariah; therefore, Dua should be done individually and softly.”