Kangana Ranaut stars as Indira Gandhi in Emergency.

Trailer released; film out on September 6.

Features Milind Soman, Shreyas Talpade, and others.

Directed by Kangana Ranaut.

Co-produced by Zee Studios and Manikarnika Films.

Film explores 1975's controversial emergency period.

Neil Nithin Mukesh and Mrunal Thakur praise the trailer.

Kangana’s Instagram post describes it as a dark chapter.

Showcases significant historical events.