Punjab National Bank (abbreviated as PNB) is a central public sector undertaking under the ownership of Ministry of Finance, Government of India. It is headquartered in Delhi, India, it is under the ownership of the Ministry of Finance, government of India. The bank was founded in May 1894 and is the second largest government-owned bank in India, both in terms of its business volumes and its network. The bank has over 180 million customers, 12,248 branches, and 13,000+ ATMs.PNB has a banking subsidiary in the UK (PNB International Bank, with seven branches in the UK), as well as branches in Hong Kong, Kowloon, Dubai, and Kabul. It has representative offices in Almaty (Kazakhstan), Dubai (United Arab Emirates), Shanghai (China), Oslo (Norway), and Sydney (Australia). In Bhutan, it owns 51% of Druk PNB Bank, which has five branches. In Nepal, PNB owns 20% of Everest Bank, which has 50 branches. PNB also owns 41.64% of JSC (SB) PNB Bank in Kazakhstan, which has four branches.

Tamil Nadu (; Tamil: [ˈtamiɻ ˈnaːɽɯ] (listen), abbr. TN) is a state in southern India. It is the tenth largest Indian state by area and the sixth largest by population. Its capital and largest city is Chennai. Tamil Nadu is the home of the Tamil people, whose Tamil language—one of the longest surviving classical languages in the world—is widely spoken in the state and serves as its official language. The state lies in the southernmost part of the Indian peninsula, and is bordered by the Indian union territory of Puducherry and the states of Kerala, Karnataka, and Andhra Pradesh, as well as an international maritime border with Sri Lanka. It is bounded by the Western Ghats in the west, the Eastern Ghats in the north, the Bay of Bengal in the east, the Gulf of Mannar and Palk Strait to the south-east, and the Indian Ocean in the south. The at-large Tamilakam region that has been inhabited by Tamils was under several regimes, such as the Sangam era rulers of the Chera, Chola, and Pandya clans, the Pallava dynasty, and the later Vijayanagara Empire, all of which shaped the state's cuisine, culture, and architecture. After the fall of the Kingdom of Mysore, the British colonised the region and administered it as part of the Madras Presidency, headquartered at the city of Madras, now known as Chennai. After India's Independence in 1947, the Madras State came into existence, whose borders were linguistically redrawn by the States Reorganisation Act, 1956, losing territory to Kerala, Karnataka and Andhra Pradesh. The state was renamed as Tamil Nadu in 1969. It is home to a number of historic buildings, multi-religious pilgrimage sites, hill stations and three World Heritage Sites.The economy of Tamil Nadu is the second-largest in India, with a gross state domestic product (GSDP) of ₹24.85 lakh crore (US$310 billion) and has the country's 11th-highest GSDP per capita of ₹225,106 (US$2,800). It ranks 11th among all Indian states in human development index. Tamil Nadu is the most urbanised state in India, and one of the most industrialised states; the manufacturing sector accounts for more than one-third of the state's GDP. Its tourism industry is the largest among the Indian states. The Tamil film industry plays an influential role in the state's popular culture.

Chidambaram is a town and municipality in Cuddalore district in the Indian state of Tamil Nadu, on the banks of the Vellar River where it meets the Bay of Bengal. It is the headquarters of the Chidambaram taluk. The town is believed to be of significant antiquity and has been ruled, at different times, by the Pallavas until ninth century, Medieval Cholas, Later Cholas, Later Pandyas, Vijayanagar Empire, Thanjavur Nayakas, Marathas and the British. The town is known for the Thillai Nataraja Temple and Thillai Kali Temple, and the annual chariot festival held in the months of December–January (In the Tamil month of Marghazhi known as "Margazhi Urchavam") and June to July (In the Tamil month of Aani known as "Aani Thirumanjanam"). One of the Divya Desams Divya Sri Govindaraja Perumal Temple (Thiruchitrakoodam) is a part of Thillai Nataraja Temple complex. Thiruvetkalam Shiva Temple, Vadakiruppu, Thirunelvayil Shiva Temple, Sivapuri and Tirukkazhippalai Palvannanathar Temple are the other three ancient Shiva temples in the region. Chidambaram covers an area of 4.8 km2 (1.9 sq mi) and had a population of 62,153 as of 2011. It is administered by a Selective grade municipality. Tertiary sector involving tourism is the major occupation. Roadways are the major means of transportation with a total of 64.12 km (39.84 mi) of district roads including one national highway passing through the town. As of 2011, there were eleven government schools: six primary schools, three middle schools and two higher secondary schools in Chidambaram. Annamalai University, established in 1929 in Chidambaram, is one of the oldest and most prominent universities in the state.