विष्णु जी के अवतार || Incarnation of Lord Vishnu's || Jano India #shorts

Why did Buddhism start declining in India ? 1. Buddha was by that time considered as one of the incarnations of Vishnu and thus became a part of Vaishnavism . 2. The invading tribes from Central Asia till the time of last Gupta king adopter Hinduism and persecuted Buddhists 3. The King of Gupta dynasty were strongly opposed to Buddhism which of the statement (s) above is /are are correct .?