Collections titled Nuzhat ul-Majalis emerged in regions where Persian and Urdu were literary languages (Persia, South Asia). They often compile material by a single scholar or a series of scholars and can span topics from Quranic exegesis and Hadith commentary to history, jurisprudence, and poetry. These works became important during the late medieval and early modern periods when public religious gatherings (majalis, majlis) were central to communal life.
I'm assuming you're referring to "Nuzhat ul Majalis" (also known as "Nuzhat-al-Majalis" or "Nuzhat al-Majalis"), which is a book written by Abdul Quddus Gangohi, a 16th-century Indian Sufi saint. nuzhat ul majalis in english best