The appearance of song and dance in movies can not only meet the needs of the plot (such as the song and dance performance in the caravan), but also be used as the externalization of the psychological activities of the characters [3] (such as Raj's segment in TBBT ……) and the performance of fast-forwarding the plot. So song and dance scenes are very common in Indian movies. Song and dance have become an essential element of Bollywood movies. When Bollywood is mentioned, the first reaction is the scene of people singing and dancing. So now there are songs and dances in Indian film departments, which has become a routine, just like you will brand your products.