This refers to the article “Navy finds defects in Scorpene” (June 15). It is unfortunate that despite three decades of experience in submarine construction, public sector shipbuilder Mazagon Dock Ltd. is unable to meet minimal operational and safety standards. It is imperative for the government to involve the private sector in the submarine and warship building programmes for the Indian Navy. This is also a good opportunity to revive several private sector shipyards, which were booming just a decade ago but are languishing now due to a lack of new orders. Several yards are undergoing the insolvency resolution process, but