The document discusses different types of terrorism and provides details about a specific terrorist attack in Mumbai, India in 2008. It defines terrorism and separates terrorist groups into categories such as separatist, ethnocentric, nationalistic, revolutionary, political, religious, social, domestic, international, and transnational. It then provides details about the 2008 Mumbai terrorist attacks, where 10 terrorists conducted a series of coordinated shootings and bombings over 4 days, killing over 170 people. It mentions some of the heroes who died responding to the attacks, including police officers Vijay Salaskar and Ashok Kamte.