Mumbai, Sep 09 : The khiladi of Bollywood, Akshay Kumar celebrates his 40th birthday today. Born as Rajiv Hari Om Bhatia on 9th September 1967 in Delhi, he changed his name to Akshay Kumar. He studied martial arts in Bangkok and worked as a Chef. Akshay will now play a chef not in real but real life for his forthcoming flick Made in China. Akshay established himself as an action hero in the initial years of his career with the hits of his khiladi series.