Awards were divided into feature films and non-feature films.
President's gold medal for the All India Best Feature Film is now better known as National Film Award for Best Feature Film, whereas President's gold medal for the Best Documentary Film is analogous to today's National Film Award for Best Non-Feature Film. For children's films, Prime Minister's gold medal is now given as National Film Award for Best Children's Film. At the regional level, President's silver medal for Best Feature Film is now given as National Film Award for Best Feature Film in a particular language. Certificate of Merit in all the categories is discontinued over the years.
For 4th National Film Awards, none of the films were awarded from Children's films category as no film was found to be suitable. Only Certificate of Merit for Children's films was given. Following were the awards given in each category:[1][2]