OK, I found the other input methods for Hindi.
I think they are included in one of the two following packages (probably the latter):
Code:
i | scim-tables | package | 0.5.8-1.13 | i586 | openSUSE-11.1-Oss
i | scim-tables-additional | package | 0.5.8-1.13 | i586 | openSUSE-11.1-Oss