The Imtiaz Ali-directed love story opened yesterday.
Hrithik, 41, extended his wishes to the duo on Twitter. "Amazing people do amazing things . Congrats @deepikapadukone and my friend Ranbir for all d praise pouring in! Love!" the "Bang Bang!" star tweeted.
"Tamasha" is Ranbir and Deepika's third on screen outing together. They earlier co-starred in "Bachna Ae Haseeno" and "Yeh Jawaani Hai Deewani".
"Tamasha" reportedly earned Rs 10.87 crore on its opening day.