British multinational telecommunications company, Vodafone, which is India's second-biggest telecom operator, has refused to follow Airtel in launching a zero-rating platform, the decision coming at a time when Telecom Regulatory Authority of India (TRAI) and the Department of Telecom (DoT) are looking into the issues related to net neutrality.

Vodafone, which reported a 13 percent growth in its 2014-15 India revenues at Rs 42,352 crore, said it will wait for a regulatory clarity on the matter before taking its decision on future action.

In April, Airtel had launched a new plan Airtel Zero that promised preferential treatment for websites that agreed to sign up for the marketing platform by paying a fee. But the move received criticism in the online world and was questioned by officials in the telecom ministry.

Sunil Sood, MD & CEO of Vodafone India, said he wants applications offering voice communication facility such as Viber, WhatsApp and Skype should follow the same regulations as mobile operators.

Many mobile operators have contended that zero rating plans that permit them to charge websites for offering them preferential treatment, are "pro-subscribers" as they get to browse the sites free-of-cost.