NEW DELHI, May 18 -- Bharti Family Office-backed Gourmet Investments Hospitality Group (GIHG) is betting that India's affluent consumers are willing to spend more on premium casual dining, as it brings American-Italian chain Olive Garden to the country.

The company, which operates PizzaExpress, Chili's and P.F. Chang's in India, plans to expand its network from about 55 outlets to 100-125 over the next three years, chief executive Rohan Pewekar said.

As part of that push, Olive Garden is expected to cross 10 outlets in its first phase of expansion over three years before scaling further, he said.

The first Olive Garden outlet opened this week in Aerocity, New Delhi, a premium dining hub in the capital.

Founded in 1982 and owned by Dar...