. Mamallapuram Chennai . To the left is a map of the whole of India. Mamallapuram, the headquarters of Sinai Ministries can be found on the South Eastern coast about 45 minutes drive south of Chennai (Madras) on the coastal road leading to Pondicherry. We have labeled Mamallapuram for your convenience. If you click on the label it will lead you to a detailed map of the town and the location of Sinai Home for Orphans. Both our home and Sinai Prayer House lay very close by. We would be honored if you would like to come and visit us in India and see more of the work we do here. Please don’t hesitate to get in contact and we would be pleased to give you further directions.