The plant, which will be Britannia’s biggest, will be constructed in Ranjangaon, 50km from Pune, and open in two years.
Chairman Nusli Wadia said the company had already secured 96 acres at the site and had applied for a further 48 acres.
He said the facility will have six lines for the production of biscuits, and one each for filled croissants, cakes, rusks, flour and dairy.
It will employ 3,000 people, and will be the first to have a flour mill and integrated dairy with a capacity of 700,000 litres per day.
A proposed joint-venture plant with Greek company Chipita to manufacture croissants will also be located at the site.
Wadia said the company’s focus would be on “Investments on new products and cost reduction”.
With double-digit growth in rural areas, Britannia has seen rising profits and increasing market share over the last three years.