I want to implement the partial updates for my resource as i have large resource and want to update the partial information from it.I have gone through the following links but n
PATCH is to be used with a patch format, for document-level patching only (aka a diff on the actual representation). Its use for other purposes is dubious and debatable, and it's not clear that the method was designed for non-media-type uses.
In general a POST will be the right approach, but you may want to split your resource into multiple resources instead and modify those instead.
[Edited for clarity, as some don't read comments]