Analysis of information sources in references of the Wikipedia article "Disco Dancer" in Indonesian language version.
most of the writers working in this so-called Hindi cinema write in Urdu: Gulzar, or Rajinder Singh Bedi or Inder Raj Anand or Rahi Masoom Raza or Vahajat Mirza, who wrote dialogue for films like Mughal-e-Azam and Gunga Jumna and Mother India. So most dialogue-writers and most song-writers are from the Urdu discipline, even today.
