CHANDIPUR-ON-SEA, APRIL 11: Dhanush, a medium-range indigenously developed missile was on Tuesday test-fired from a naval ship close to the Orissa coast, defence sources said.The 8.56 metre sleek missile, the first of its kind, has been exclusively developed for the navy, the sources said, adding the Dhanush project is being considered the naval version of Prithvi.The missile, fixed on a launcher in INS Subhadra anchored about 20 km from here in the Bay of Bengal, had a perfect lift-off after the test launch occurred at 1335 hrs, the sources said.However, the outcome of the test firing would be fully known after analysing the data collected from different tracking and telemetry centres, they said.Scientists of Defence Research and Development Organisation (DRDO) had been stationed in the vessel, the interim test range here, at Dhamra and at Paradip for close monitoring of the test-firing, they said.The 150 km-range Prithvi I has already been included in the armoury of the army, while the 250 km Prithvi II, being developed for the air force, is nearing completion, the sources added.