Whenever you request for identification, it is better if you provide other associated data like, habit of the plant, place and time of collection, local names (if any), etc.
I know this plant is belong to Rosaceae family. I would like to know the scientific name of this plant.
In respect to the suggestion of Dr. Subir Bandyopadhyay i would like to add the habitat of this plant. This is a typical shrub found in the Mussoorie hill (temperature 25 degree) of Uttarakhand state. The photograph was taken in the month of April and May.
I got answer from Arvind Singh as Rosa multiflora Thunb. Is it the correct one?