Okies so that was what happened till turn 244. America had most cities, Persia leader in Science, India leader in Policies (completed 4 trees), Askia leading in Military and England had all the CS with whom Persia and Me are fighting.
Rest of the world: Askia declares on America. I didn't care as both were almost same size (the largest two) and didn't seem anyone would be able to destroy the other. BIG Mistake. Askia just rampaged America and was now in control of half the map. Good thing Askia was not leading in science so would have some time before ti goes for scientific victory.
Wars going on: Askia + India v/s pers.. Pers+Me v/s Liz. America/ Ottomans/Iroquos didn't count much.
Everyone is friendly with me besides England.
My side: Fighting with Liz. Got Panzers and now it was time for Liz to pay for all the aggression. Captured 5 of her cities (including capital) and signed peace by extorting 15k gold + 300gpt. Persia was inching close to scientific. Had no option but to go after Pers.
Used up Liz gold to make all CS allies and rushed 10 panzers. Askia and India were already at war with Pers so hitting fast with Panzers worked. Askia was taking pers cities on west and me on east. We both reached till Delhi at almost same time. I liberated all the CS as happiness was already low.
Now it was India's turn as I couldn't let go off Delhi with 10+ wonders inside it. More importantly Eiffel tower / taj Mahal / ND would solve all my happiness issues. I reached Stealth Bombers by rushing 2 GS. Signed Peace with Pers and extorted 7k Gold. Rushed 6 Stealth Bombers and attacked Delhi (which I couldn't without ranged bombings as it was at 160 def. points). Captured Delhi and signed peace with Gandhi (couldn't afford to capture more of his insanely high pop cities) by extorting another 6k Gold.
Now the toughest part of taking on Askia began. Askia had 1/2 of the map, and all the puppets were in front. So I couldn't hurt his production right away. Anyways Askia was already at war with Pers (which still had good military). Also bribed Iroquois (small but not bad) to declare war on Askia. I had like 15 MA + Panzers and 8 Stealth Bombers. Captured 4 of Askia cities and then it struck me with Nuclear missilies
(..
All my stealth bombers died. I had gold to create another 5 bombers. Did that and it hit me again with Nuclear missile. I tried playing the same turn again and relocate my bombers, but it was intelligent enough to bomb that specific city.
I might give it one more try but seems a lost cause with Askia being so huge. I can easily win scientifc / diplomatic (even domination) but cultural is a very long shot. It is turn 317 and I have still not completed 4 trees. Finally I am happy with my game as this was the first Deity attempt and I could win it if not for Cultural VC.
If I play again:
1) Get Liz before she gets longbows but without iron it seems difficult. I was able to hold her first time all because of a Citadel.
2) To win a cultural victory it will take at least 325+ turns. In that much time if any AI civ is left at a good position it will win by scientific. So, basically has to play very aggressive keeping everyone else happy (to trade).