I have seen this exotic species in flowering in Pune, Maharashtra in Garden, starts from last week of July and extends upto September. For fruiting we are not paying much attention for ornamental species but may be from September to November.
I had seen this plant in flowering from last May-September in Dehradun but there is no fruit setting here. so can i conclude that fruit setting didn't take place in India.?
You are correct, in Pune also I have seen this species only in flowering. In India, many other exotic ornamental plants are seen only in flowering, but fruits are never seen.