As of 2012, he was a Deputy Minister of the Interior[2] and a member of the House of Representatives of the Pheu Thai Party.
Pracha was born on 31 October 1960, the son of Pranom and Somsamai Prasobdee, with 3 siblings.
He graduated with a doctoral degree in public administration from Ubon Ratchathani University.
His younger sister, Naruemon Tharndamrong[3] (Thai: นฤมล ธารดำรงค์), was named one of 26 red-shirt political officers while serving as advisor to the Labor Minister.
Pracha was an unsuccessful candidate for the Palang Dharma Party several times.