Karjat is a city administered under a Municipal Council in Raigad district in the Indian state of Maharashtra. It is served by Karjat railway station. …Karjat is a city administered under a Municipal Council in Raigad district in the Indian state of Maharashtra. It is served by Karjat railway station. Karjat forms a part of the Mumbai Metropolitan Region. Karjat is located approximately at an equidistant of 100 km from Mumbai and Pune. The river Ulhas flows through the city.