I would switch to OR now, speeding up CHs in cities with Hinduism (Thebes, Pi-R, Memphis) and speeding up HE (which I would build in Pat, where I'd also settle the GG). I would shut down research (fire scientists and 0% towards Calender) and build wealth for some turns, sell our maps (it should bring more than 200 g I think), and sell the gems. Hopefully Opis will also bring some gold soon.
I would build some fast missionaries in Delhi, Kyoto and Osaka (or maybe even Thebes), before they go back to wealth or whatever our economy allows.
I would wait with the whipping and chopping (Heliopolis) until cities are infected with Hinduism. First missionaries should go to Alexandria and Heliopolis.
Agree with elimination of Hatze asap. Agree with troops on the move from east to west, but we should be prepared for naval invasion in the east.