Aren't Oudh and Awadh both Anglicizations of the name in Urdu/Hindi? Awadh is the Anglicization favoured by the current government of the area, but we don't necessarily need to follow their guidance.
Note that the passage doesn't say that nomads are the ones besieging Constantinople, just that they set the events in motion. It could be something like:
An emperor sets out with the field army onto the steppe and gets wiped out leaving an unclear succession. Exarchs from Syria and Ravenna raise...
Russia tried to sell Alaska to Britain in the late 50s but Palmerston thought Canada already had enough unsettled wilderness. Is there any evidence the Russians wouldn't have sold to Britain if they could get a decent price?
Are the Romans really much worse off in the colonial game than the Latins? The best colonies OTL were (in my opinion) India, the Spanish silver and gold mines, and then the various sugar and spice colonies.
As long as the Indian states are strong, no colonial empire will make much progress...
You'd need an LNG terminal on the island with the station. I think there aren't any in the state today, so that would be a major new expense for a gas plant.