Indian movies always have singing and dancing segments, due to historical genetic factors and the national culture of the Indian people, who also love singing and dancing in their daily lives, and the inclusion of singing and dancing segments in Indian movies has become a convention, once you do not have singing and dancing, other people may not even think that this is an authentic Indian movie.
Of course, there are many other factors, such as Indian movies are produced in Bollywood, and Bollywood is very like to join the dancing music, so most of the Indian production of the movie have dancing music clip. Song and dance in line with the Indian market Bollywood movies began to add sound, when the Indian film production pioneered the inclusion of song and dance scenes in the film. Indians are very musical and can sing and dance, and movies with song and dance were a big hit in the region. Some movies could even make up for a cheesy plot with good song and dance, while on the other hand, a failed song and dance could lead to the failure of the movie. Thus the song and dance element spread and was widely used in Indian movies.
Indians are notorious for their love of dancing and singing, and singing and dancing is an easier way to express that what the movie is trying to convey is a form of affective expression. Singing and dancing in the film, in addition to the plot needs, but also as the characters of psychological activities externalization and fast-forward plot performance. That's why song and dance scenes are common in Indian movies.
So it seems that Indian movies always have singing and dancing clips, of course, is the influence of Indian culture, as well as the influence of Bollywood film culture, I do not know when to start, Indian films have been hit at every step must have singing, dancing clips, once there is no such clips, the loss of the characteristics of the Indian film, so that people will look less immersive! It's not as immersive as it could have been.