independent of India or in a neighboring country, or (b) on emphasising the views/response of one ethnic group against another. Violent Tamil Nationalist groups from India to address the condition of Tamils in Sri Lanka, as well as insurgent tribal groups in North East India are examples of ethno-nationalist terrorist activities. Religious terrorism – This form of terror focuses on religious imperatives, a presumed duty or in solidarity for a specific religious group, against one or more religious groups. Mumbai 26/11 terror attack in 2008 from an Islamic group in Pakistan is an example of religious terrorism in India. Left-wing terrorism – This form of terror focuses on economic ideology, where all the existing socio-political structures are seen to be economically exploitative in character and a revolutionary change through violent means is essential. The ideology of Marx, Engel, Mao, Lenin and others are considered as the only valid economic path. Maoist violence in Jharkhand and Chhattisgarh are examples of left wing terrorism in India. Narcoterrorism – This form of terror focuses on creating illegal narcotics traffic zones. Drug violence in northwest India is an example of narco-terrorism in India. Terror groups in India SATP (South Asia Terrorism Portal) has listed 180 terrorist groups that have operated within India over the last 20 years, many of them co-listed as transnational terror networks operating in or from neighboring South Asian countries such as Bangladesh, Nepal and Pakistan. Of these, 38 are on the current list of terrorist organisations banned by India under its First Schedule of the UA(P) Act, 1967. As of 2012, many of these were also listed and banned by the United States and European Union. Chronology of major incidents List of attacks Andhra Pradesh 2000 Church bombings of South India The 2000 Church bombings refers to the serial bombings of churches in the southern Indian states of Karnataka, Goa and Andhra Pradesh by the Islamist extremist group Deendar Anjuman in the year 2000. On 21 May 2000, a Christian congregation at Machilipatnam, Andhra Pradesh was bombed. On 8 July 2000, two churches bombed in Andhra Pradesh, Gewett Memorial Baptist Church in Ongole and the Mother Vannini Catholic Church in Tadepalligudem town. The blast in the Ongole church injured three persons. Kurnool train crash The Kurnool train crash was the derailment and crash of a passenger train in Kurnool district in Andhra Pradesh, India, on 21 December 2002. During the