



The film features a song titled "Ayya Sami", sung by S. The film was later shot in Tamil with Parthiban, Nassar, Anu Hasan and Rekha amongst others joining the cast. Scenes were also shot in Thiruvananthapuram during the same month, where a launch ceremony was held. The Malayalam version of the film was shot first during May 2017, with most of the scenes being shot at the Punalur Municipality and Chemmanthur High School premises. Nishad chose to shoot two versions, one in Malayalam and the other in Tamil, where each party would have the stronger cause. She was selected after the original choice, Suhasini opted out citing date issues. Revathy was signed to portray a collector of the Tamil Nadu village of Thirunelveli, which faces a water shortage every year. Portraying the widow of a geologist, who wants to fulfil her husband's desire to make water available to all, she stated the story "fell in the category of ‘meaningful cinema’" and that she was keen to be a part of such attempts. Jayaprada revealed that her political experience of seeing people through problems of water scarcity motivated her to sign the film and play the lead role. Nishad, the story revolves around a water dispute that crops up between the people of Tamil Nadu and Kerala on account of a well, with the film taking place in 1965 when Kerala was formed as a separate state.
