Question

what is advantage of india's vast coast line

Answer 1

Symbiotic you can say. Being surrounded by coastline on the three sides of the peninsular India has bothadvantages and disadvantages;Coastline means easy access to the sea and the vast resources lying underneath — be it marine food, corals, the minerals and other materials

Answer 2

It helps in making contact with other countries from sea routes .
These helps in export and import of goods by sea routes