Kamaraj Memorial House is built in the memory of the former Chief Minister of Tamil Nadu, Kumarasami Kamaraj. Kumarasami Kamaraj (Tamil: குமாரசாமி காமராஜ்) better known as K. Kamaraj (15 July 1903 – 2 October 1975) was an Indian politician from Tamil Nadu widely acknowledged as the "Kingmaker" in Indian politics during the 1960s. He was the chief minister of Tamil Nadu during 1954-1963 and a Member of Parliament during 1952-1954 and 1969-1975. He was known for his simplicity and integrity. He was involved in the Indian independence movement.

Valluvar Kottam (Tamil: வள்ளுவர் கோட்டம்) is a modern landmark in Chennai, India which is dedicated to the classical Tamil poet, philosopher and saint Thiruvalluvar. Valluvar Kottam is located at the intersection of the Kodambakkam High road and the Village road. Valluvar Kottam now stands at the point which was the deepest point of a lake which was located in the area. The monument was constructed in 1976 in the memory of Thiruvalluvar, who wrote his famous Thirukkural about 2,000 years before.

Regional Passport Office (RPO) was established in George Town in Chennai (formerly Madras) in the year 1955.  In the year 1966, it was shifted to the Govt. owned premises of Shastri Bhavan, Bureau of Immigration, located at 26, Haddows Road, Nungambakkam, Chennai - 600 006, where a number of other Central Govt. Offices are also located. 

http://immigrationindia.nic.in
PIO
http://immigrationindia.nic.in/FAQ_PIO.htm

Visa extension
http://immigrationindia.nic.in/FAQ_Visa_Extensions.htm

Saint Pattinathar Tamil: பட்டினதார் was a Saivaite and a Spiritual leader. He was born to Sivanesa Chettiar and Gnanakalai. His father was a trader in Tiruvidaimarudur, Thanjavur district. His birth name was Swetharanyar after as epithet of Lord Siva of Swetharanyeswarar Temple. He was also called as Thiruvenkadar by the people. When he was five years old, he lost his father. Like his father, he spent money on Siva devotees and fed them daily. He was a trader and had enough wealth.

Royapuram is a locality in the northern part of Chennai City, Tamil Nadu, India, most known for the Royapuram Railway Station, the first railway station of south India opened in 1856, and is today the oldest surviving railway station of the Indian subcontinent The St. Peter's Church, Royapuram is one of the most prominent and oldest churches and landmark in the region. Royapuram fishing harbour is one of the largest fishing harbour in the coromandal coast.

St. Thomas Mount (known in Modern Tamil as Parangimalai) is a small hillock in Chennai, Tamil Nadu, India, near the neighbourhood of Guindy and very close to Chennai International Airport.

Porur Lake (also called Retteri in local language), is located on the fringes of Porur in south-west Chennai and is a primary water resource for people residing in Chennai. It is a temporary catchment area connected with Chembarambakkam Lake. It is spread over 200 acres with a capacity of 46 million cubic feet (mcft).

சென்னை நவகிரக கோவில்களில் ஒன்றான, அருள்மிகு வெள்ளீஸ்வரர் திருக்கோயில், மாங்காடு / Velleeswarar Temple, Mangadu.

LIC Building is a 15-storied building in Chennai, India, serving as the southern regional headquarters of the Life Insurance Corporation of India. It is the first skyscraper built in Chennai and a famous landmark in the city. Located on the arterial Anna Salai (formerly Mount Road), the building is 177 ft tall.