We have done extensive research in buying the best graphics card for you, in this list you will get nVidia and AMD cards. If you are thinking that if vRAM is higher then the graphics card is good, So I would like to bust a myth here, cuda cores plays important role in refining the best graphics output.
However you can easily get 6GB vRAM in this price segment. You can get these graphics card from flipkart and Amazon, they sell original version of every graphics card. So you don’t have to worry about anything at all.
Check it Out: Best Graphics Card Under 20000