Special Cover issued on 17.08.2023 at Kolkata. Cover illustration depicting Howrah Bridge in Kolkata and aerial view of Mazagon Dock, Mumbai, and digital image of INS Vindhyagiri.
Launch of Project-17A Stealth Frigate - INS Vindhyagiri, by Hon. President of India - Srimati Droupati Murmu.
INS Vindhyagiri is a Nilgiri Class (Project-17A) frigate of The Indian Navy. It was jointly built by Garden Reach Shipbuilders & Engineers (GRSE), Kolkata and Mazagon Dock Shipbuilders, Mumbai. Named after the Vindhyagiri Hill in Karnataka, Vindhyagiri is the sixth ship of the P-17A Frigates, which are the advanced version of Shivalik-class frigates with enhanced stealth features, upgraded weapons and sensors and better platform management system on-board. Seen as demonstration of Atmanirbhar Bharat in defence sector, this indigenously evolved stealth guided-missile frigate equipped with state-of-the-art technology.
Text Source: Wikipedia
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Thanks to Mr. Kanishka Malik, Kolkata for helping me to add this special cover in my collection.