Challenging Star Darshan is turning 39 years tomorrow Feb 16. According to the closest sources, the pre-birthday celebrations for the grand birthday of 'Box Office Sultan' has already been kick-started near Darshan's residence. The Mr Airavata actor is presently relishing the success of the recent movie Viraat. Directed by Vasu and produced Kalyan, Viraat is a success at the box office. For the first time, Dacchu paired up opposite three female leads Chaitra Chandranath, Isha Chawla & Vidisha.