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.