Law / How can an Indian guy live with her Polish gf in Poland? Citizenship, visa after marriage. [8]

hello people..i need some info abt polish law...
1.if an indian guy marry a polish girl then can he get citizenship in poland?
2.or if he dnt get the citizenship, then how long he can live with her polish wife or gf in poland?and wht needs (like if any special vissa or sth else)to live together?

3.can he work there to earn?