Company wants to help employee with their daily travelling
It can give either
1. A fixed 2000 every month (Travel Allowance)
2. Ask Employee to come by taxi and then claim from company (Travel Reimbursement)
3 Arrange for free cab for employees (Free facility)
(First one is an Allowance, Second is Monetary Perquisite and Third is Non Monetary Perquisite)

Learn more

http://teachoo.com/145/50/What-are-Allowances-and-Perquisites/category/Basic-Concepts/