Sir can't say anything about celerio their hasn't been any spy shots or any official talks about celerio yet.
One or two pakwheelers have said that they have had some insight about it at various dealerships.
The alto is displayed officially by paksuzuki twice. Once at company event at pc Karachi and once now.
but I'm not sure about it's avalibity in Indonesia or thailand.
Celerio is avaliable in both thailand and Indonesia. Paksuzuki gets cars usually from Indonesian market. Where as honda and toyota are regionally headed by thailand
Once again these sightings don't prove anything since atlas honda displayed brio and fit at pc bhurban around 2-3 years back these are just sample cars.