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New Delhi: The test fire of 3,500-kilometre range ballistic missile known as K-4 from a nuclear capable submarine was successful, sources in Defence Research and Development Organsiation (DRDO) said on Sunday.The missile developed by DRDO would be equipped on indigenous Indian Navy Ship Arihant, which is nuclear-powered submarine. These missiles, once inducted, will be the mainstay of the Arihant class of indigenous ballistic missile nuclear submarines (SSBN) and will give India the stand off capability to launch nuclear weapons submerged in Indian waters.It is Indian Navy Ship Arihant, the first and only operational SSBN, is armed with K-15 Sagarika missiles with…