It was established by Pope Francis on 10 October 2017, and Raphael Thattil was appointed its first bishop.

He wrote: "With the growth of spiritual friendship and mutual assistance, any tension or apprehension should be swiftly overcome.

May this extension of the pastoral area of the Syro-Malabar Church in no way be perceived as a growth in power and domination, but as a call to deeper communion, which should never be perceived as uniformity.

[8] The cathedral is the St. Alphonsa Syro-Malabar Catholic Church at Kukatpally, in Greater Hyderabad.

There are 130,000 Catholics in the Shamshabad diocese with eleven functional churches and seven under construction.