Kushalgarh is a village in the Kohat District of Khyber Pakhtunkhwa.
It is the point at which the Indus River was bridged to permit the extension of the railway from Rawalpindi to the Miranzai and Kurram valleys.
This article incorporates text from a publication now in the public domain: Chisholm, Hugh, ed. (1911). "article name needed". Encyclopædia Britannica (11th ed.). Cambridge University Press.
References
Kushalgarh, Pakistan Wikipedia(Text) CC BY-SA