Set in modern-day India, the movie will also be layered in mythology.
Other plot details are sparse when the project was announced.
Patel co-wrote the script with Paul Angunawela and John Collee. Thunder Road's Basil Iwanyk is producing, along with Joe Thomas, Samarth Sahni from Xeitgeist and Patel.
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"It" fame Chung-hoon Chung is attached as director of photography.
Production is set to start in spring of 2019 in Mumbai.
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Patel will next be seen in "The Personal History of David Copperfield" and "Hotel Mumbai". (PTI)