Work / Studies In Poland, is it easy to survive on part-time jobs? [259]

Hi m krishna from hyderabad, india n m planing to do my M.B.A in Bialystok, Poland so could any one say me how are the prospectus for studies in Poland n is it easy to survive there by doing part time jobs and is any language problem will be faced as the national language over there is Polish. i mean do people speak English there so that i wont b facing any problem and how difficult is to get a part time job over there.....any early response will b highly appreciated...