Mallika Sherawat's key to life

To accept challenges is a way of life for bold and beautiful actress Mallika Sherawat, who believes that when someone stops doing so, he is "dead".

"The key to life is accepting challenges, once someone stops doing this, he's dead," Mallika posted on Twitter Friday.

Mallika, who has featured in movies like "Pyaar Ke Side Effects" and "Murder", was last seen on TV reality show "Bachelorette India - Mere Khayalon Ki Mallika".