"There are so many opportunities for efficiency." Mann said in a couple of weeks riders will be able to call a taxi online or through their mobile devices, as well as other features being implemented soon.

Adding more taxis is not the solution, according to Dhar Mann, whose parents are the Singhs. The 15-day rule is impossible to fulfill, Mann added. The process of hiring drivers takes too long to keep all the taxis in circulation, he said. "People aren't waiting around to drive taxis in the bad economy."

Dhar said there are enough taxis to meet demand but the service needs to be more centralized and automated to improve coverage.