CSP 2009 GEOGRAPHY SOLUTION (Shankar IAS Academy)
CSP 2009 GS Solution (Shankar IAS Academy)
GS, History, Physics, Public Administration, Mathematics and Sociology Keys are available at Pariksha Guru website, Visit Site (You need to create account to access those keys)
Commerce Key : www.rankersclasses.com (Thanks Deepti)
Some keys also available at http://examrace.com/default.aspx
Pub Admn Key at Brain Tree
Note : Will update about others soon. If you have any source please share with others in comment section.