Indian Navy Day is observed annually on December 4 to honor the Indian Navy's role in ensuring the country's maritime security. The day commemorates the Operation Trident, a key naval offensive during the Indo-Pak War of 1971, where the Indian Navy carried out a successful attack on Pakistan's Karachi harbor. Supreme PEB (Pre - Engineered Building) Supreme Colour Roofing And Decking Pvt Ltd , Indore , Madhya Pradesh. Z-purlin Manufacturer, C- purlin Manufacturer, Coiles, Color Coated Coils, Profile sheet Manufacturer, Curves Sheet Manufacturer, Turbo Fan Ventilator Manufacturer, Ridge Vent Manufacturer, Poly-carbonate Sheet Manufacturer, Louvre Manufacturer, Corner Trim Manufacturer, Eave Gutter Manufacturer, Downspouts Manufacturer, End Trim Manufacturer, Ridge Manufacturer, Profile Ridge Cap Manufacturer, L Flashing Manufacturer, Profile Gable Flashing Manufacturer, Profile Box Gutter Manufacturer etc..