New Delhi, June 10 -- When Bert Mueller arrived in India as a college student in 2010, he had no plans of becoming a restaurateur. More than a decade later, the American entrepreneur is the founder of one of India's largest burrito chains, with 103 outlets spread across several cities.

Speaking to CNBC Make It, the 35-year-old recalled how a study-abroad programme in Jaipur unexpectedly planted the seed for a business that would eventually redefine his future.

During his stay with a host family, Mueller and his classmates introduced their hosts to dishes from their home countries. While the American food he brought failed to make much of an impression, a classmate's Mexican-inspired dishes received a very different response.

"They didn...