1.5 ton

I have a 250 sq. ft room on 1st Floor with large windows facing East and South. My budget is maximum 50k. I will be using during summers mainly 4-5 months max 10 hrs a day. I live in Kolkata. I want a 1.5 ton Inverter AC and am confused among the Daikin,Sharp,Hitachi,O General,Panasonic and...