Royal patronage had stopped and staging of plays and such intellectual pastimes had become old history. From the 12th century onwards, we do not find any original work of great merit coming from this region and Sanskrit was getting much greater patronage in the southern states as compared to Northern India… The whole of Northern India had been under the rule of Muslim conquerors of Turkish, Afghan and Mongol origin… One can only speculate on the magnitude of the loss suffered during this period when a foreign language like Persian became accepted as the official and court language.
