What popular Indian Hindi lyricist penned the lyrics of Kala Bazar?
Kala Bazar:  S.D. Burman composed the music, while the lyrics were penned by Shailendra. Shailendra (lyricist): Shankardas Kesarilal (30 August 1923 – 14 December 1966), popularly known by his pen name Shailendra, was a popular Indian Hindi lyricist.
Shailendra