Hrithik, who recently essayed the role of Patna-based Super 30 programme founder Anand Kumar in "Super 30", took to Twitter and said he hopes the situation gets better.
"My heart goes out to the people of Patna who have been battling floods caused by torrential rain since almost a week now. I hope the situation gets better there soon," Hritik tweeted on Wednesday.
Heavy rains in Bihar have claimed 43 lives and thousands have been affected.
Due to the flooding, schools have been closed, exams have also been postponed and even date of official and private functions have been extended.
Other celebrities like Manoj Bajpayee and Pankaj Tripathi, who hail from Bihar, have appealed to people to help the victims.