 In the 2000s, he has continued with the hits "Koi Mil Gaya", "Kisna" and "Krrish" (2006).He directed only one film,starring Rajesh Khanna and Sharmila Tagore "Raja Rani" in 1973, which was also written by him.The film was box office hit and adjusting for inflation as of 2014, its business in 1973 would be equivalent to 100 crores in 2014.