Amitabh Bachchan, Kangana bag Best Actors

New Delhi, March 28  Megastar Amitabh Bachchan on Monday was named the Best Actor, and Kangana Ranaut was named the Best Actress at the 63rd National Film Awards.

Amitabh, 73, was lauded for his "delectable and delightful portrayal" of an ageing man in "Piku", while Kangana has been appreciated for her performance in "Tanu Weds Manu Returns".