What is the difference between oil marketing companies like HPCL, BPCL (Upstream companies
and
ONGC, OIL INDIA LIMITED (Down stream)
It is seen that upstrem companies benefits when crude oil price goes up and downstream companies benefits when crude oil prices goes down.
So my question is what is the difference between their business models as all the above mentioned companies deals with crude oil
Everything Explained clearly in the above Thread post.