Kamal, 61, today suffered the fracture due to a fall at his office here and underwent surgery at a private hospital where doctors termed his condition as "stable."
Shruti, 30, star took to Twitter to thank Kamal's well-wishers for their concern.
"Thankyou for all your messages of concern and well wishes - my father is doing much better!" the "Rocky Handsome" actress wrote.
Meanwhile, South Indian film producer Dhananjayan Govind also tweeted, "Wishing @ikamalhaasan sir a speedy recovery. He is a fittest legend we have & sure will be back in action soon."