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The Airavatesvara temple complex, built by Rajaraja II, at Darasuram features a 24-m vimana and a stone image of Shiva. The temples testify to the brilliant achievements of the Chola in architecture, sculpture, painting and bronze casting.

Solution:
Chennai District is the most populated district in Tamil Nadu. Its Population as per census 2011 is 71 Lakhs.

Solution:
The first Nayak ruler of Madurai Viswanatha Nayak was the Vijayanagara viceroy to Madurai in south India during the 16th century. He later became the ruler of Madurai after the fall of the Vijayanagara empire. He is the founder of the Nayak dynasty of Madurai.

Solution:
There are 39 Lok Sabha constituencies in Tamil Nadu, with an average of 1.51 million voters in each one.

Solution:
Jatavarman I successfully expanded the empire into the Telugu country , south Kerala and conquered northern Sri Lanka. The city of Kanchi became a secondary capital of the Pandyas.

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The Cholas ruled Madurai from 920 AD till the beginning of the 13th century. In 1223 AD Pandyas regained their kingdom and once again become prosperous. Pandian Kings patronised Tamil language in a great way. During their period, many master-pieces were created.

Solution:
The river originates in the Nandi Hills in the Chikkaballapura district of Karnataka and flows through Tamil Nadu before emptying into the Bay of Bengal.