Messenger of Allah (sallallahu alayhi wa sallam) said, “When the people of the Book greet you, respond with: ‘Wa ‘alaikum’ (And upon you)’.”
وعن أنس رضي الله عنه
قال: قال رسول الله صلى الله عليه وسلم: «إذا سلم عليكم أهل الكتاب فقولوا: وعليكم»
Messenger of Allah (sallallahu alayhi wa sallam) said, “When the people of the Book greet you, respond with: ‘Wa ‘alaikum’ (And upon you)’.”
Who passed it on, from Imam an-Nawawi back to the one who was there.
Riyad as-Salihin 867 and the rest of the library, offline, with Bengali, Urdu, Indonesian or Turkish under the English.
Seventeen collections, the whole Qur'an and Identify, free in the app.