1. Baseline

It is the lower water mark along the coast.

2. Indian territorial waters

Indian territorial waters extend up to 12 nautical miles (22 km) from the baseline of India.

3. Contiguous zone of India

It is an area 12 nautical miles beyond the Indian territorial waters. Therefore, it is at a distance of twenty-four nautical miles from the nearest point of the baseline.

4. Exclusive economic zone of India

It is an area beyond the Indian territorial waters. The limit of exclusive economic zone is 200 nautical miles from the nearest point of the baseline.

5. Continental Shelf of India

Continental shelf is the part of the sea floor adjoining a land mass where the depth gradually increases before it plunges into the ocean deeps. The maximum depth of sea water in the continental shelf is 200 meters. Continental shelf of India extends beyond the limit of its territorial waters throughout the natural prolongation of its land territory to the outer edge of the continental margin or to a distance of 200 nautical miles from the baseline.