Try a mist fan 
I am planning to get that in mid-july sometime, since my 1.5 ton ac can't cool down my room to lower than 27 C since i have a fridge in here too lol :S.
Only negative thing about a mist fan is, it causes humidity, so if you want to use it inside a room, at least have an exhaust fan to extract the hot air
it cost about 9000-9200 depends on the shop owner.
Or sleep on the roof/outside desi style with a mist fan/air cooler with water+ ice :D:D:D:D
Enjoy the weather!