Context: Recently, the Union Defence Minister commissioned Indian Coast Guard Ship (ICGS) Sachet and two interceptor boats (IBs) C-450 and C-451 in Goa.
About Indian Coast Guard Ship Sachet

• It is first in the series of five offshore patrol vessels (OPVs).
• It has been designed & built indigenously by Goa Shipyard Limited (GSL).
• It is fitted with state-of-the-art navigation and communication equipment.
• The 105 metre long ship ‘Sachet’ meaning alert displaces approximately 2,350 tons and is propelled by two 9,100 KW diesel engines designed to attain a maximum speed of 26 knots, with an endurance of 6,000 nautical miles.
• The ship is designed to carry a twin-engine helicopter and four high speed boats and one inflatable boat for swift boarding and search & rescue operations. 
• The ship is also capable of carrying limited pollution response equipment to undertake oil spill pollution response at sea.