In a land area of 43, 955 square kilometers, the diocesan territory covers civil districts of Changlang, Upper Dibang Valley, Lower Dibang Valley, Anjaw, Lohit and Tirap in the state of Arunachal Pradesh.
Arunachal Pradesh is situated in the north-east corner of India. It is called 'the land of the rising sun' and is the habitat of 26 Mongoloid tribes and their sub tribes scattered over an area of 87,400 square kilometers. This land borders China, Tibet, Bhutan and Myanmar and comprises snow-capped mountains of the Himalayas and flooding river valleys.
502,000 is the total population in the diocese. Tangsa, Lisu or Yobin, Singpho, Tutsa, Chakma, Adibasis, Ponthais Idu Mishmi, Idu, Adi, Mishing, Mishmis. Zakhring, Deori, Khamti, Mishmi, Singpho, Wancho, Lazu, Tutsa are the various ethnic groups in the diocesan territory.
The villages and small towns are administered by elected local bodies called panchayats and municipalities, respectively.
The nearest airport is Dibrugarh which is 150 kilometers away.
The per capita income in the diocesan territory is Rs 25, 836 ($550) as of October 2009. Farming is the main occupation, done by 90 percent the population. Petroleum and coal mining industries are also situated in the diocese.
Government and private operators provide extensive telecommunication facilities in the diocesan area. The diocese is well connected by local cable TV networks.
Nearly 54.34 percent is the literacy rate in the diocesan territory.
On every first Friday of the month thousands of Catholics flock to Holy Cross Church of Cherpunkal in Kerala, India to revere Infant Jesus and St. Thomas, the founder of the church. The church stands on the southern bank of Meenachil River. This fabled church, also known by its Syriac name Mar Sleeva (Holy Cross)Church, belongs to Catholic Diocese of Palai of the Eastern-rite Syro-Malabar Church.
St. Mary’s Cathedral Church in Ranchi, the capital of Jharkhand state, is the mother church in the tribal belt of eastern India, where Belgian Jesuits laid the foundation of Catholicism in 19th century. This brownish Church, dedicated to the Immaculate Conception of Virgin Mary, stands on Dr. Camil Bulcke Path and nestles between St. Xavier’s College and St. Albert Major Seminary.
Basilica of Our Lady of Graces in Sardhana is a historic church that lives the memory of love and benevolence of the sole female Roman Catholic ruler in India. Our Lady of Graces Church of Sardhana stands at Meerut district in Uttar Pradesh of northern India. Consecrated in 1822, this 200-feet long church with a high central dome over the main altar, is one of the largest churches in northern India.
Saint Thomas Cathedral Basilica at Mylapore is a monumental declaration on ancient root of Christianity in India. The church was built over the tomb of St. Thomas, the Apostle who is believed to have preached Christianity in India. The cathedral preserves 2000-year-old bones of the saint and the lance that pierced him to death. Popularly known as Santhome Church, the cathedral at Chennai (formerly Madras) in Tamil Nadu state was constructed during the Portuguese era in the 16th century. “San Thome” assumes its name from St. Thomas.
St. Joseph’s Church in Lahore is the oldest Catholic Church in Pakistan that has flourished since the 19th century despite deadly sectarian violence in recent years. The church at Sarfaraz Rafiqui Road in Lahore was established as a wooden structure during the British colonial era, on Oct. 31, 1842, to provide pastoral care to the British soldiers. It completed 180 years this year.
Mokama Marian shrine on the southern bank of Ganges River bears the legacy persecuted Nepali Catholics banished from their homeland to India for refusing to renounce their faith. Our Lady of Divine Grace Church at Mokama stands about 90 kilometers from Patna, the capital of eastern Indian state of Bihar. Mother Mary is popularly known as Mokama Mata (Mother of Mokama). The church was built to honor Mary in 1947.
Santa Cruz Cathedral Basilica at Fort Kochi is one of the finest churches and a historic but also a landmark in Kerala state of southern India. Santa Cruz Church blends Indo-European and Gothic architectural style that draws tens of thousands of pilgrims and tourists every year. The cathedral is a great place of devotion and historic significance that survived colonial conquests and invasions to the city.
The Cathedral of Good Shepherd in Singapore is a historic National Monument, but it also holds first-class relics of a French saint who brought Catholicism on the shores of city-state two centuries ago. Built in 1847, the Good Shepherd Cathedral is the oldest Catholic Church and mother church of all Catholic churches in Singapore.