The correct option is A Cases filed by the People's Union of Civil Liberties.
On the basis of the judgment given by the Supreme Court in 2013, in the case filed by the People's Union of Civil Liberties, NOTA was introduced. In case the people did not like any of the candidates standing for election, they could press NOTA or the ‘None Of The Above’ option. The Supreme Court stated that NOTA is a part of the freedom of expression.