Nargis won the first National Film Award for Best Actress in 1954 for her performance in the film 'Raat Aur Din'.

Shabana Azmi is the only actress to have won the National Film Award for Best Actress three times, for her performances in the films 'Ankur' (1974), 'Arth' (1982), and 'Khandhar' (1984).

Madhuri Dixit has won the most Filmfare Awards for Best Actress, with a total of four awards for her performances in the films 'Tezaab' (1988), 'Dil' (1990), 'Beta' (1992), and 'Hum Aapke Hain Koun..!' (1994).

Priyanka Chopra is the youngest actress to have won the National Film Award for Best Actress, at the age of 23, for her performance in the film 'Fashion' (2008).

Konkona Sen Sharma won the National Film Award for Best Actress for her performance in the Bengali film 'Titli' (2002).

Nandita Das won the National Film Award for Best Actress for her performance in the documentary film 'Firaaq' (2008).

Sharmila Tagore won the National Film Award for Best Actress for her performance in the children's film 'Apur Sansar' (1959).

Nargis won the National Film Award for Best Actress for her performance in the black-and-white film 'Raat Aur Din' (1954).

Vidya Balan won the National Film Award for Best Actress for her performance in the film 'The Dirty Picture' (2011), which is based on the life of Silk Smitha, a popular South Indian actress.

Shabana Azmi won the National Film Award for Best Actress for her performance in the film 'Arth' (1982), which is based on the novel 'It Doesn't Matter Who You Sleep With' by Erich Segal.

Kangana Ranaut won the National Film Award for Best Actress for her performance in the film 'Queen' (2013), which is based on the real-life story of a young woman who travels to Europe on her honeymoon alone after her fiancé calls off their wedding.

Vyjayanthimala won the National Film Award for Best Actress for her performance in the film 'Nagin' (1954), which is based on the mythological story of a snake goddess.

Shabana Azmi won the National Film Award for Best Actress for her performance in the film 'Ankur' (1974), which deals with the social issue of poverty and exploitation in rural India.

Vidya Balan won the National Film Award for Best Actress for her performance in the film 'The Dirty Picture' (2011), which deals with the political issue of censorship in the Indian film industry.

Shabana Azmi won the National Film Award for Best Actress for her performance in the film 'Arth' (1982), which deals with the psychological issue of infidelity in a marriage.