Oshodeep man I think you have been provided with enough help and guidelines, not being rude though, but how keeps coming ..... so answer to all your how........ Write a letter describing the financial situation as said by marshal( dont ask me how), and a letter from parents regarding the same situation , tyo afai banayera sahi marehunchha ...... now then go to International advisor , fill out the form ,hand him the copy of your passport, I-94 original , keep a copy for yourself , they need original I-94 and a money order or check , should be in between $150- $200 you can find that out with your advisor. good Luck