Work / Moving from India to Warsaw to study. Need information about Warsaw city, jobs etc. [40]

Hi Friends,

I am Nilesh From India, I plan to come Poland on student Visa,I don't know any person in Poland, I will get admission in Warsaw,I want some information about accommodation and jobs in Warsaw, Can I do wark durring the study, I am commerce gradute can I get entry lavel job in any store in Warsaw, can I get workpermit after complite my study, How much wages pay in entry lavel jobs in Warsaw.

If anyone have information about these then Please tell me,
please help me,