u do not need to go for such long process apply for an spouse visa so that u can provide with economic support for your wife.And community college ,the process is the same as that for the university or other u need to write an essay describing about your pursuit of education TOEFL and SAT .The college may not require the TOEFL and SAT but they increase the possibility for you to get VISA.First u should considering going to USEF United state education foundation at gyaneswar and get information regarding TOEFL and SAT and they also guide u through different process .u can join for a group councesling on the subject at "STUDY IN USA" and then u can sign up for individual counselling and share your problems and ask them questions. so best of luck for that