Browallia americana ?

Browallia americana ?;

efloraindia: 141011 BRS 65:
Pl. find the attached file contain a photo for id. request.
Only flower photo is available I don't have any other images of leaf or full plant.
Date/Time-Location- 07.10.2011
Place, Altitude, GPS- Munnar (Kerala) 1800 MSL
Habitat- Urban
Plant Habit- Herb-
I guess Browallia americana or Bush Violet.