I guess this is a same sp. we discussed few days before and identified recently by Giby Sir as Heterotis rotundifolia.
Here is d last discussion thread- http://groups.google.com/group/indiantreepix/browse_thread/thread/f2835248492f35e6/b39b00926091e7f8?hl=en&lnk=gst&q=osbeckia+neha#b39b00926091e7f8 Regards Neha Singh