"I just want her to keep on the same kind of energy, enthusiasm and hard work. Take success and failure in same spirit," said the 54-year-old actor here at the success party of "Raanjhanaa" Wednesday.
"Some films will work and some won't and that's' part of showbiz. There is no actor in the entire world whose all films are hit or all are flop," he added.
Since her debut in 2007 unsuccessful film "Saawariya", this is for the first time the 28-year-old has tasted success in a big a way.
"Raanjhanaa", which was also southern star Dhanush's first Bollywood film, released June 21 while "Bhaag Milkha Bhaag" with Farhan Akhtar in the lead hit the theatres July 12 and both worked well at the box office.
Sonam will next be seen in a Yash Raj Films' untitled project with Ayushmann Khurrana and 1980 "Khoobsurat" remake, being produced by her father.