Is there any way we can buy Mac mini customised?

I actually gave planned to buy Mac mini but I want some customisation to be done before purchased and I have geared that apple accepts customised order in Macs. If it excepts then how to make order for customisation Mac mini. Can any one provide me the link of the customisation page on apples web side and by the way I live in India and ifthe facility avaliable in India weather or not please provide me the link of it.