Super rare "info" : Song "Kaisi khoob raat hai" - a comedy/hilarious song was recorded on 9th Sept 1958 ( As mentioned on spool ) - for the film Ek Tha Raja Ek Thi Raani ( Starring Nargis & Kishore Kumar )..music by Shankar Jaikishan. This song was to be picturized in Kashmir. And hold your breath - singers were Kishore-da, Rafi-saab & Lata-ji !