Hmm standard 9th that's young start....

. NO knowledge of game development.
But if your brother is interested in 3D ANimation..i can help.
TO get into the Institution..you need at least completion of 12th.
And Opt for softwares like Adobe Photoshop CS4(2d art and now 3d painting(texturing)too.)
Then there's MAYA 2009(Taught here and ..best software for creating 3D Animation)
ZBrush (Character Sculpting software).
These softwares are needed in the industry now a days...so mastering these will definitely lead to a good future