Dear Garg ji,
This was a small to medium-sized tree, planted in the botanical garden of the University of Agricultural Sciences campus in Bangalore, so the original designation should be correct. For more information on this introduced species, you might be interested in the attached monograph.
Parrotta, J.A. 2009. Cananga odorata. III-4 in "Enzyklopädie der
Holzgewächse" [Encyclopaedia of
Woody Plants]. Ecomed Verlag, Germany. 8 p.
Best wishes,
John