The correct answer is option 4 - Indian National Centre for Ocean Information Services (INCOIS), located in Hyderabad. The National Tsunami Early Warning System (NTEWS) in India is supervised and operated by INCOIS. It is responsible for monitoring, detecting, and forecasting potential tsunamis in the Indian Ocean region.
Option 1, the Ministry of Earth Sciences in New Delhi, is responsible for developing policies and strategies related to earth sciences, including meteorology, seismology, and oceanography. While it is involved in monitoring natural disasters, it is not directly responsible for the operation of the NTEWS.
Option 2, the National Disaster Management Authority (NDMA) in New Delhi, is responsible for coordinating and implementing disaster management measures in the country. While NDMA may collaborate with INCOIS for tsunami warning dissemination, it does not directly operate the NTEWS.
Option 3, the National Institute of Ocean Technology (NIOT) in Chennai, is primarily involved in ocean technology research and development. While it may support INCOIS in various aspects, it is not responsible for the operation of NTEWS.
In conclusion, the Indian National Centre for Ocean Information Services (INCOIS) in Hyderabad is the organization responsible for setting