Listen to Greatest Happiness (AJ Din Shagna Da) online. Greatest Happiness (AJ Din Shagna Da) is a Hindi language song and is sung by Shashwat Sachdev and Romy. Greatest Happiness (AJ Din Shagna Da), from the album Shades of Cashmere, was released in the year 2022. The duration of the song is 3:05. Download Hindi songs online from JioSaavn.