There is one Organization called Nobel Consultancy in Jackson height which might help you. The person over there told me they has room for 5-6 people to stay on NY for some days. For fooding Jackson Height Jindabad, you can get any kind of food you want. And about Metro dont worry its too easy , if you come on my day off I will love to help any nepali Brother.
Call this guy Bodh Raj 3476065303 (thats his cell phone number ) ; from Nobel Consultancy.