This is a study that exposes all facets of the ministry of Apostle Thomas which extended todays Yemen, Pakistan, North India, South India and China.  In fact the whole of India was Christianised.  After several centuring with the coming of the Gnostic Manikandan it was transformed into what is today known as Hinduism.  The Onam festival is the historical memory of how Vaishnavites took advantage of the Christian kings and using a suicide sqads took over the rest of India pushing the Christians down to the South. These are seldom spoken about.  But the evidence speak of how vast the effect of the ministry of Thomas was in India.  Here is the complete story.