Complex sentence: Right from the beginning of the attempts to form a missionary institute of the Syro-Malabar Church there is one idea running through: the Sons of the Christians of St Thomas must be able to do evangelization outside Kerala in their own rite.
Split into simpler sentences: Right from the beginning of the attempts to form a missionary institute of the Syro-Malabar Church there is one idea running through. The Sons of the Christians of St Thomas must be able to do evangelization outside Kerala in their own rite.