Shares of Bharti Airtel went down by 2.32 percent to end the trade at Rs 414.60. In the intra-day session, it had lost 3.58 percent to Rs 409.25.
     
At the NSE, the stock fell by 2.47 percent to settle at Rs 415.15.
    
Airtel Zero, as also similar services launched by Reliance Communications and Facebook, among others, have come under attack with critics terming them as attempts to restrict 'free' Internet access to select platforms and against the 'net neutrality' regime.
     
Shares of Reliance Communications were also down 1.16 percent to Rs 72.15 on the BSE.
     
Net neutrality calls for equal treatment to all Internet traffic while any priority given to an application or company on payment basis is seen as violating the concept.
     
Stock markets were closed yesterday for a local holiday.
     
Launched last week, Airtel Zero is an open-marketing platform that allows customers to access certain mobile applications for free with charges being borne by app makers. Airtel has defended the service and said yesterday that it fully supports 'net neutrality'.

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