Crossdressing for boyfriend?

I want to crossdress for my boyfriend. Me being a male I am confused what dress shld I wear for him.Can you suggest me any Indian female dress & ornaments.Also give some tips on makeup.What is "Spanch Bra"?.His demand is to wear it.We want to enjoy Couple life.Should I go for change,bcos we love eachother beyond the limit & he says he will marry me after change.