"Mohenjo Daro" starring Hrithik Roshan and Pooja Hegde was initially set to release Jan 22.
The movie, jointly produced by Disney India's Studio business and Ashutosh Gowariker Production Pvt. Ltd. (AGPPL), will now release Aug 12, 2016, read a statement.
The film depicts a love story set during the Indus Valley civilization.
This is Gowariker's fourth period film after "Lagaan", "Jodhaa-Akbar" and "Khelein Hum Jee Jaan Sey".
The filmmaker's TV production "EVEREST" is currently on air.