I hope this to be Ixora acuminata. http://www.iiim.res.in/herbarium/rubiaceae/ixora_acuminata.htm
Fruiting plant of the same was uploaded by Dr. M.K. Pathak a few days back. https://groups.google.com/forum/?fromgroups#!searchin/indiantreepix/Ixora$20M.K.$20Pathak/indiantreepix/oLUEa8SFNXY/rsh9y4dBGTYJ Pl validate. Regards, Ritesh.
