India's armed maritime law-enforcement and search-and-rescue service, raised under the Coast Guard Act, 1978, to protect maritime and other national interests in India's maritime zones.
Coastal security is a CAPF-favourite theme post-2008; the ICG's ministry (Defence, not Home), its 1978 Act, and the three-tier coastal-security model are commonly tested.
The Coast Guard is under the Ministry of Defence, not the Ministry of Home Affairs; do not group it with the CAPFs. It is distinct from the Marine Police (State forces guarding near-shore waters) and the Navy (overall maritime defence).
India's armed maritime force (Coast Guard Act, 1978) under the Ministry of Defence, lead agency for coastal security in territorial waters.
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