The Sindhughosh class is a series of submarines used by the Indian Navy. These submarines are based on the Russian Kilo-class design and are known for their stealth capabilities, making them effective for various naval operations. They are equipped with advanced sonar systems and weapons, including torpedoes and anti-ship missiles. Commissioned in the late 1980s and early 1990s, the Sindhughosh class has undergone several upgrades to enhance their operational efficiency. These submarines play a crucial role in India's maritime security and are part of the country's efforts to strengthen its underwater warfare capabilities.