To Change the Language option to English in K Geography, Gcompris and Tux Paint
KGeography
Go to help Menu of KGeography -- Switch Application Language --Primary Language - American English - OK
Close & Restart KGeography
GCompris
Go to Settings icon ( spanner icon) of GCompris Window ( Bottom side of Main Window) - then u can change languages - Choose English (US)- OK
Close & Restart GCompris
Tuxpaint
Go to home folder - View Show Hidden Files
Find the file .tuxpaintrc - Open
Change the line lang=malayalam to lang=english