Earlier this month, telecom regulator Trai has asked Reliance Communications to keep services of Facebook's free Internet platform, Free Basics, in abeyance, till the issue on differential pricing is sorted out.
Defending its project in a post on Internet.Org, the firm said "we need to be practical and make sure programs are deployed in a fair and transparent way".
The Internet.Org project was recently renamed as Free Basics and offers free access to a set of websites and services with the objective of introducing Internet.
"Two of the services mentioned haven't even rolled out yet so it's too early to call them successful," the company said.
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Facebook also questioned Gigato mobile app, which credits Internet data consumed for accessing website on its platform and gets paid from websites that have partnered with it.
"The third (Gigato) requires applications to pay to be featured, which should be a huge concern for net neutrality activists and is potentially damaging to startups who can't afford to be part of the program," Facebook said.
Replying to the Facebook's post, Gigato Co-Founder Raina Kumra said the company abides by all the principles of net neutrality.
"It is possible to have a for-profit model that is net neutral for providing more access to the Internet as this is the only way to reach everyone in India," he added.
Facebook also criticised Mozilla Executive Chairperson Mitchell Baker's idea of 'equal rating' - a system wherein some amount of data necessary for modern life is offered at discounted or no charges while companies paying for it get a 'brought to you by' attribution.