What does Net neutrality mean? A. Stop people from using the Internet. B. Pricing of subsidized internet services. C. Internet companies provide free data. D. Differential pricing of Internet services.

Net neutrality is the principle that internet providers must treat all data equally, without blocking, throttling or charging differently for different content. It is therefore about differential pricing of internet services: TRAI's February 2016 regulation, upholding net neutrality, prohibited such discriminatory tariffs. Of the options, D names the issue net neutrality deals with.