The state owned Mazagon Dock Limited in Mumbai delivered the first of six Scorpene-class submarines to the Indian Navy today. The submarine will be commissioned soon. <br/><br/>A senior Navy official said, the development marks a major milestone in Indian Navy's submarine programme as the vessel is expected to bolster India's maritime prowess.<br/><br/>The six submarines designed by French naval defence and energy company DCNS, will replace the Indian Navy's aging Sindhughosh and Shishumar class of submarines. <br/><br/>A Mazagon Dock Ltd statement said, the second of the Scorpenes, Khanderi is currently undergoing the rigorous phase of sea trials. <br/><br/>The third Scorpene, Karanj is being readied for launchlater this year. The rest are in various stages of outfitting.<br/><br/>The construction of the submarine INS Kalvari which was named after a deep sea tiger shark began in 2009. <br/><br/>The submarine was undocked from pontoon on 6 April 2015 and completed the Basin trials and Harbor acceptance trials in April 2016. On 2 March 2017, INS Kalvari test fired a Exocet anti-ship missile in the Arabian Sea.