Hinduism as a religion is based on several spiritual practises. Since, the religion is based on polytheism, meaning belief in more than one god or goddess. People amongst Hinduism are free to choose their ishta devata. Thus, if one would analyse the entire country into four zones, one can see, that there is preference of almighty across India. Such as, the North, it is a combination of god and goddess. Like Lord Shiva and Parvathi or Lord Vishnu and Rukmini etc., In the Eastern parts of the country it is usually Devi in the form of Shakti.