The correct option is D India’s underwater observatory to scientifically study the Arctic region
IndARC is a multi-sensor Indian underwater moored observatory deployed in Kongsfjordan Fjord of Arctic which is in between Norway and North Pole which interacts among Arctic ice shelf and deep sea which studies about detailed climate shift of annual seasonal cycle. The idea behind this is to gather real time data based on seawater temperature, salinity, ocean currents and parameters related to fjord. Purpose of multi-sensor underwater moored observatory is not to introduced indigenously developed radar system introduce in Indian Defence, nor related to providing services to countries of Indian Ocean Rim and does not serve as scientific establishment in Antarctic region.