The 28-year-old tested positive for the banned stimulant ephedrine during the 2016 African Nations Championship (CHAN) in Rwanda which Congo went on to win.
Ngudikama plies his trade for one of Mamelodi Sundowns' Champions League adversaries from earlier this year, AS Vita Club.
CAF imposed a number of sanctions following a disciplinary meeting in Cairo with South African futsal player Bryan Cottle also on the receiving end of a ban.
He tested positive for methylhexaneamine following South Africa's 2016 Futsal Afcon match against Zambia.
Both ephedrine and methylhexaneamine are energy-boosting supplements that aid in weight loss and whilst neither are among the most effective performance enhancing drugs they are still banned substances.