Indian Navy frigate INS Trishul departed from the South African port city of Durban after impressing the local community with a range of activities designed to showcase India's role in assisting the countries spanning the Indian Ocean.<br />''<br />''The three-day goodwill tour marked several historic events, including the 30th anniversary of India-South Africa relations after a break of almost four decades due to apartheid.<br />''<br />''The visit is also part of India's 'Azadi Ka Amrit Mahotsav', an initiative of the Government of India to celebrate and commemorate 75 years of independence.<br />