Ajay at 'Earth Hour' event

B'wood's action star Ajay Devgn shares his view points at 'Earth Hour' event, held in Mumbai, on March 22, 2013. (Pic: Viral Bhayani)

Ajay Devgn at 'Earth Hour' event, held in Mumbai, on March 22, 2013. (Pic: Viral Bhayani)

Ajay Devgn caught during Q & A session at 'Earth Hour' event, held in Mumbai, on March 22, 2013. (Pic: Viral Bhayani)

Ajay Devgn watches the proceedings at 'Earth Hour' event, held in Mumbai, on March 22, 2013. (Pic: Viral Bhayani)

Ajay Devgn at 'Earth Hour' event, held in Mumbai, on March 22, 2013. (Pic: Viral Bhayani)

Actor Ajay Devgn arrives at 'Earth Hour' event, held in Mumbai, on March 22, 2013. (Pic: Viral Bhayani)

Ajay Devgn addresses the audience at 'Earth Hour' event, held in Mumbai, on March 22, 2013. (Pic: Viral Bhayani)

Actor Ajay Devgn at 'Earth Hour' event, held in Mumbai, on March 22, 2013. (Pic: Viral Bhayani)

Ajay Devgn poses at 'Earth Hour' event, held in Mumbai, on March 22, 2013. (Pic: Viral Bhayani)

Actor Ajay Devgn signs the board during 'Earth Hour' event, held in Mumbai, on March 22, 2013. (Pic: Viral Bhayani)