Jahanbakhsh is back available after representing Iran at the Asian Cup. He has not played for the Seagulls since early November when he sustained a hamstring injury in the defeat at Everton.
Bernardo returned to training today and Albion manager Chris Hughton said a decision will have to be made on whether he returns to the squad on Saturday.
Winger Jose Izquierdo is still ruled out with a knee injury.
Hughton said: "Jahanbakhsh is now back from international duty and will train tomorrow.
"Bernardo trained today and the decision we will make on him is if it is too soon for him to be included in the squad for Saturday. It's good to have them back.
"At this moment, Izquierdo is the only injury we have."
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