About Kolasib A small town in the Indian state of Mizoram, Kolasib is located close to the border with Bangladesh. The town is an important commercial centre and is also known for its production of bamboo items. The town is also a popular tourist destination and is home to several temples and other attractions.ย Kolasib is a recently constituted district on Mizoram's northern tip, sharing a northern boundary with Assam's Cachar district. In 1998, the district was formed by slicing away the former Aizawl District. As the district capital, Kolasib has an agriculture-dominated economy with a few service sector jobs. A vast number of people grow beetle nuts, oil palms, rice, wheat, and fish, which are consumed as well as exported to other Mizoram districts. Kolasib is the administrative centre of the Kolasib district in Mizoram, India. Kolasib district had an estimated population of 83,955 people according to the 2011 Indian Census. Males make up 51.12% of the population, while females make up 48.88%.