- Tilin Airport is a proposed international airport project in the city of Tilin, located in the Mithila region of Bihar, India. The airport is being developed to serve as a major aviation hub and connectivity gateway for the region. It is expected to cater to both domestic and international flights, providing increased accessibility and economic opportunities for the local community. The airport project is currently under development, with plans to construct a state-of-the-art terminal building, runway, and other necessary infrastructure. Once completed, Tilin Airport is expected to boost tourism, trade, and overall development in the region.