Get latest articles and stories on Business at LatestLY. Mumbai (Maharashtra) [India], August 19: In 1978, a single outlet in Bandra opened its doors with a simple promise: authentic Mughlai food, made without shortcuts. Fifty years, four outlets and a fifth in the pipeline later, that promise has made Persian Darbar one of Mumbai's most enduring names in Mughlai cuisine - and one that has never once turned to a franchise model to grow. Business…