. Comment what is the cult of Krishna? Why is Krishna considered a hero god? What kind of power does he symbolize and how?

Krishna is technically an incarnation of Vishnu, and is the main character of the Gita. Here in battle, he serves as Arjuna's charioteer, and comes to earth precisely to help Arjuna see his dharmic duty. In the Gita, Krishna asserts full ominpotence as the ultimate deity, and reveals both his human and most divine form. Krishna's name literally means 'The Dark Lord, kind of like Darth Vader but in a good way. The rest of your questions involve much detail. I suggest you check out the GradeSaver site.