u shud b one among the top 10 or atleast top 100 menbers in forum(based on posts, replies etc...) to avail points in this category....refer points earn table for further details:http://www.studentrockstar.com/pointstable.aspx
It depends on how much point you earn in the forum in a particular month. Depending on that you get your rank in the forum. On the rank you get point in SRS.