AHC: Keep Buddhism and Jainism relevant in India

So, it's my understanding that during the period of roughly 800-1000, Jainism and Buddhism, previously major religions in India, suffered large declines. Buddhists were able to hold on until about 1200, with the Pala dynasty, but they eventually fell, too. The decline, from what little I read, seems to have been mostly caused by a resurgence of Hinduism, especially Shaivism, and the invading Muslims destroying temples, stupas, and what have you. With that in mind, is there any POD that could reverse or prevent this decline from happening? One of the most obvious would be the failing of the Muslims to invade India, or if they did, be more tolerant of the conquered people. However, the Muslims may have just been the nail in the coffin, since Hinduism was already resurging.
 
Mohammad dies in infancy. No Islam. Anyways, in all my CK2 games, Jainism ends up taking over India and takes over Central Asia, with Islam never crossing the Indus.
 
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