Nerwa is a tehsil in Shimla District of Himachal Pradesh, India. In the Indian administrative system, a tehsil is a sub-division of a district responsible for the administration and revenue collection of a specific area within the district. It plays a crucial role in the local governance structure, contributing significantly to the development and administration of its …Nerwa is a tehsil in Shimla District of Himachal Pradesh, India. In the Indian administrative system, a tehsil is a sub-division of a district responsible for the administration and revenue collection of a specific area within the district. It plays a crucial role in the local governance structure, contributing significantly to the development and administration of its local community.