NEW DELHI: Indian Navy's hydrographic survey ship Sandhayak was decommissioned at the naval dockyard in Visakhapatnam on Friday after serving the nation for 40 years, according to an official statement. The ship, during its commissioned service, undertook approximately 200 major hydrographic surveys and numerous minor surveys in both east and west coasts of the country, the Andaman seas as well as in the neighbouring countries. "The ship was decommissioned in a solemn and low key event due to the ongoing Covid-19 pandemic when the national flag, naval ensign, and the decommissioning pennant...