Officer's shako plate, 31st Regiment of Madras Native Infantry or Trichinopoly Light Infantry, 1829-1844.

Die-struck, in gilt-copper, an eight-pointed rayed star, the uppermost point of which is displaced by a monarchial crown.
Mounted upon the star, a white metal frosted and embellished French bugle horn.
Within the curl of the horn are the gilt metal Roman numerals, 'XXXI', upon a slightly domed burnished white metal ground.
Above the horn is a frosted white metal scroll bearing the burnished battle honour, 'Mahidpoor'.
Associated with the Battle of Mahidpur, 3rd Maratha War (1816-1819), 1817.