Statistics of level 5 packages for Bengali in testing:
Read http://d-i.alioth.debian.org/l10n-stats

Outdated:

Translated:
  newt/newt/po/bn.po 4t [Progga]

Missing files:
  debconf/debian/po/bn.po 16u
  debconf/po/bn.po 71u
  aptitude/po/bn.po 1144u
  console-common/debian/po/bn.po 24u
  console-common/po/bn.po 13u
  dictionaries-common/debian/po/bn.po 28u
  dpkg/po/bn.po 985u
  apt/po/bn.po 538u


Global statistics: 4t0f0u (0%)     (total strings: 2823=100%)
(From all bn.po files)