You are right about it but i think that makes the tour operator for you.Here in Swiss it is like this,if you book a package,the will prepaire everything,you just have to pay.LOL.But i can send you tomorrow some details about it,cos today is sunday and all closed.
:-))))
By the way,we have many Indians visiting Lucerne and i think also they need a visa,so it must not be a big deal.

This is Lucerne in winter time.Smile.Now is more beautyful.