Air Marshal (then Flt. Lt.) PM Ramachandran recounts the story of his attacking and blowing up a Portuguese Patrol Boat in Diu during Ops Vijay. The Patrol Boat, the "NRP Vega" may have been on a suicide mission, packed with explosives, to ram into INS Delhi, which was anchored offshore directing operations to liberate the island.Some useful links:Air Marshal Ramachandran's profile on Bharat RakshakAir Marshal Ramachandran's Wikipedia pageHis article on the episode on Bharat RakshakThe Portuguese Navy on WikipediaAn overview of the Liberation of Goa on Wikipedia and Bharat Rakshak.Thanks to Bharat Rakshak for the content and photographs.