Tamil Nadu is the eleventh-largest state in India by area and the sixth-most populous.
The state was ranked sixth among states in India according to the Human Development Index in 2011, and is the second largest state economy in India with Its official language is Tamil, which is one of the longest-surviving classical languages in the world. In addition, its people have developed and continue classical arts, classical music, and classical literature.
In the colonial age a large number of Portuguese, Dutch, British and Italian Christians came to Tamil Nadu.
Currently, Christians are a minority community comprising 6% of the total population.), Thoothukudi (17%, 2001) and Tirunelveli (11%, 2001).
The Roman Catholic Church (Latin Rite), the Church of South India, the Syro-Malabar Catholic Church, the Syro-Malankara Catholic Church, the Malankara Orthodox Syrian Church, the Evangelical Church of India, the Pentacosts, the Apostolics, and other evangelical denominations constitute the Christian population in Tamil Nadu.
The Latin Rite of Roman Catholic Church is the oldest and the largest among all.
With 15 dioceses including the Roman Catholic Archdiocese of Madras and Mylapore and the Roman Catholic Archdiocese of Madurai, the Latin Rite has a homogeneous presence throughout the state.
The second largest church by number of members is the Church of South India with 8 dioceses in Tamil Nadu.
The state shares a maritime border with the nation of Sri Lanka.The religion was introduced according to tradition in 52 AD in the modern day Kanyakumari District by St.Thomas, the Apostle, one of the 12 Apostles of Jesus Christ who landed in Malabar Coast (modern day Kerala) in AD 52.Later the colonial age brought a large number of Portuguese, Dutch, British and Italian Christians to the district.The Basilica of Our Lady of Good Health is located in the small town of Velankanni in the state of Tamil Nadu in Southern India. The basilica is built over the site where he was believed originally to be interred.