Kanchenjunga Express has songs by the playback singer based out of what city?
Kanchenjunga Express (film):  The music is scored by Souvik Gupta and has songs by Rupam Islam, Usha Uthup and Kunal Ganjawala. Rupam Islam: Rupam Islam (born 25 January 1974) is Kolkata-based Indian playback singer, songwriter, composer and the lead singer of the band Fossils.
Kolkata