This ethnic group built music-producing “singing steps” in a chariot-shaped temple, one of its “great living temples.” This ethnic group first produced high-carbon Wootz steel. An empire of this ethnicity led an invasion that ended the Sailendra dynasty of Srivijaya. (10[1])Under the Pandyan dynasty, (10[1])scholars (10[1])of this ethnicity gathered to compile literature in three “sangams,” (10[2])which (10[1])inspired five (10[1])“great epics” of this ethnicity’s language. The three namesake “kings” of this ethnicity included the Chera and the Chola dynasties. (10[1])A member of a militant organization named for this (10[1])ethnicity used an explosive vest to assassinate Rajiv Gandhi. For 10 points, name this ethno-linguistic group which names a state in Southern India followed by “Nadu.” ■END■