Bollywood marked its stamp on the 57th National Film Awards as Amitabh Bachchan won the best actor award for his performance in “Paa” and Aamir Khan-starrer “3 Idiots” was adjudged the best popular movie, reported The Times of India. But it was Malayalam drama “Kutty Srank” which walked away with five awards, including the best feature film. The film also won awards for best cinematography, best screenplay, best costume and a special jury recognition, which it shared with Bollywood hit “Kaminey” and Malayalam film “Kerala Varma Pazhassi Raja”. Shyam Benegal's “Well Done Abba” was chosen as the best film on social issues. “Paa”, was also named the best Hindi film, besides winning recognitions in the best supporting actress category (Arundhuti Nag) and best make-up. Amit Trivedi got the best music director award for Anurag Kashyap's “Dev-D” and Ananya Chatterjee was named the best actress for her role in the Bengali film “Abohoman”, which also fetched the best direction award for Rituparno Ghosh Bachchan had earlier won national awards for his performances in “Black”, “Agnipath” and “ Saat Hindustani”.