In Hinduism there are innumerable universes like ours or even bigger, each having its own fourteen physical and metaphysical realms headed by a Brahma.
Reincarnation in Hinduism is not a one time affair, nor are conventional heaven and hell eternal situations. There is much complexity and variety in the concepts of Hinduism.
The Hindu Caste System is in a state of disorder, so much so that all attempts to define it have failed. What are the primary reasons that lead to its collapse?
Philosophical questions like - Does god exist? Is our universe real? Is there life after death? are still debated. Its time to analyse these questions applying our faith (not mind).