Kasba can be broadly divided into two physiographic units, the Plains and the Plateau.

A land endowed with minerals, fertile green fields, peace fallboard force, vast market and a political system committed to industrial growth.

This National Highway connects Kasba to Purnia, Siliguri, Guwahati, Kolkata, Muzaffarpur, Patna, Gorakhpur, Lucknow and Porbandar.

Another, State Highway starts from Kasba that direct connects it to Line Bazar(Medical hub of this region), Purnia Court railway station and Kosi Division.

Kasba railway station lies on Barauni-Katihar, Saharsa and Purnia sections.