Laukaha is a very old Border Town in the district of Madhubani in the Indian state of Bihar. It is close to the border with Nepal and the Nepalese town of Thadi. The population of Laukaha is between 11, 000 and 15, 000. Laukaha has a primary school, high school, inter college, a police station, a post office, a branch of State Bank of India & Gramin Bank in the market. Nearest city in Nepal is Lahan, Nepal where there is a popular Eye Hospital by name of Sagarmatha Choudhary Eye Hospital, Lahan.