Since its a custom made it depends on the price in your area.
Autographix will be standard
i too would suggest you to go for alloys . now a days seeing lot of swifts with stickers. these stickers really gives you head aches when you get any dent in the car.
for alloys you can check plati and neowheels website
i guess 14inch is enough for swift. some body touching problems in 15 inches.
plati:::PlatiIndia.com:: Alloy Wheels for Every car, Design of Future.