each in United Shippers Ltd., which owns half of Dharamtar Port. PNP Maritime Services owns other half. Dharamtar Creek On the eastern side of the Mumbai harbour entrance lies the Dharamtar creek ( dharamatara khāḍī) of the river Amba, which is formed by confluence of Amba river, Karanja creek and Patalganga River on the west coast of Maharashtra. Dharamtar creek maintains rich zooplankton standing stock (av. 30.3 ml 100 m/3) with peak production during August–November. Zooplankton production rate for the entire system amounted to 10.32 mg C.100 m/3 d/1 with an annual turnover of 29 ton C.km/2. References External links Dharamtar Infrastructure Limited (official site) PNP Maritime Services Limited (official site) Maharashtra needs to develop minor ports-Source-The Hindu Business Line Ispat may fund port with sale of stake in firm-Source-Livemint.com Geography of Maharashtra Ports and harbours of Maharashtra Raigad district