Prakash Jha is an Indian film producer, actor, director and screenwriter, mostly known for his political and socio-political films such as Hip Hip Hurray (1984), Damul (1984), Mrityudand (1997), Gangaajal (2003), Apaharan (2005), and his multi-starrer films, Raajneeti (2010), Aarakshan (2011), Chakravyuh (2012), and Satyagraha (2013). He is also the maker of National Film Award winning documentaries like Faces After The Storm (1984) and Sonal (2002).

Gangaajal: The Holy Weapon is a 2003 Indian Hindi-language action crime drama film written, directed, co-produced and edited by Prakash Jha. Featuring an ensemble cast of 87 actors, it revolves around the Superintendent of Police Amit Kumar who takes charge of the fictitious district of Tejpur, Bihar, known for its high crime rate and organised crime carried out by dons Sadhu and Sunder Yadav. Due to the local police's slow response to crimes, residents of the district resort to pouring acid in the eyes of the criminals as an instrument for extrajudicial justice.