The Churches and Convents of Goa, at Old Goa, are a World Heritage property
Background
Churches and Convents of Goa figures in the Ministry of Culture list of India's World Heritage properties, with the year of inscription given as 1986.
The Archaeological Survey of India describes the churches and convents at Velha (Old) Goa.
The churches and cathedrals at Old Goa were built during the 16th to 17th century AD.
The group includes the Se Cathedral, the Basilica of Bom Jesus, the Church and Convent of St. Francis of Assisi, the Chapel of St. Catherine, the Church of Lady of Rosary and the Church of St. Augustine.
The Basilica of Bom Jesus is made of black granite.
In plain words
ASI Archaeological Survey of India — The Union body that protects and maintains centrally protected monuments.