Is there separate quota for ST -Hill and ST Plain or only ST (together) in Assam pg seats through neet2019

as per the latest guidelines is only a single reservation for the ST category candidates at least as per the 15% all India counselling and regarding the state counselling procedures of neet PG for Assam you need to give a vision and closed on the website does to the division of category of such as to whether they are categorised in the St candidates into further subcategories are there or not but as of now there is no such sub categorisation into this regard as effective for neet PG 2019 counselling