Hinduism and Orthodoxy: Experience in comparing religious traditions

What is Hinduism and what is Orthodoxy? Is it possible to join them?
What are their history, the structures of the religious community, the scriptures and traditions, the forms of worship? What are the ideas of the Indians and the Orthodox about the gods, demons and other creatures in the world of spirits, about the emergence and fate of the material world?
How do the Indians and Orthodox imagine the posthumous fate of man and other earthly beings? What are the goals of the life of Hindu and the Orthodox Christian and what are the ways of their achievement?
You can find the answers to these and many other questions about Hinduism and Orthodoxy in the study offered by your attention