Mumbai, Nov 13 : Actor Hrithik Roshan says whatever he does, he does it in the best possible way.The actor, who was present at the launch of Ananya Birla s debut song launch "Livin the life", said here: "I party very hard when it is time to party. I work very hard when it is time to work. When it s time to sleep, I sleep very well. Whatever I do, I do to the extreme."Ananya, 22, is an entrepreneur-cum-philanthropist and daughter of Kumar Mangalam Birla, Chairman of the Aditya Birla Group. She performed here on Saturday night.Hrithik was here to watch her performance, and wished her success. Besides Hrithik, other guests at the event included Vidhu Vinod Chopra, Anupama Chopra, Dino Morea, Rannvijay Singh, Prasoon Joshi, Shaina NC and others.