/usr/share/myspell/dicts/hyph_hi_IN.dict is in hyphen-hi 0.9.0-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/myspell/dicts/../../hyphen/hyph_hi_IN.dic
/usr/share/myspell/dicts/../../hyphen/hyph_hi_IN.dic