Naval Dockyard Vizag repairs two oxygen plants in Andhra By IANS | 2 Views Naval Dockyard Vizag repairs two oxygen plants in Andhra Image Source: IANS News Naval Dockyard Vizag repairs two oxygen plants in Andhra Image Source: IANS News More naval ships bring oxygen to Karnataka from Kuwait. Image Source: IANS News Naval Dockyard Vizag repairs two oxygen plants in Andhra Image Source: IANS News Visakhapatnam, May 16 : Experts from Naval Dockyard Visakhapatnam have achieved a major breakthrough in repairing two major oxygen plants at Nellore and Srikalahasthi in Andhra Pradesh on Sunday. The development is expected to give a major boost to the oxygen supply in the state during the ongoing crisis due to shortage of medical oxygen, officials said.