Ulhasnagar is a municipal town and the headquarters of the Tahsil bearing the same name. It is a railway station on the Mumbai-Pune route of the Central Railway. Ulhasnagar, a colony of migrants in the aftermath of Partition, is 43 years old. Situated 58 Kms from Mumbai, the once-barren land has developed into a rich town of Thane district. Originally, known as Kalyan Military transit camp, Ulhasnagar was set up especially to accommodate 6,000 soldiers and 30,000 others during World War II. There were 2,126 barracks and about 1,173 housed personals.