Users in India may have difficulties using WhatsApp with certain providers such as Airtel, Idea, Vodafone and Tata Docomo.
If you have Airtel or Tata Docomo as your mobile provider, we have confirmed reports of successfully using WhatsApp with a specific wireless access point configuration:
If you have Vodafone as your mobile provider, these steps may help:
If you have Idea as your mobile provider, you may be able to successfully use WhatsApp by following these steps:
Note: Even though you may be able to send and receive emails and chats from other applications, one or more of the channels that WhatsApp uses may be selectively blocked by your mobile provider's wireless access point settings. If this is the case, we recommend that you contact your mobile provider.
WhatsApp Support Team