Now you can access twitter from your prepaid tata docomo connection you just need to
activate a Special Tariff Value recharge (STV), Value added service (VAS) or application via Twitter.
To use this application you will have to get your number registered by "mentioning" the Twitter handle of the company, @tatadocomo, along with #reg [Mobile Number]. On doing so, the you will get verification PIN through SMS. Then you need to "mention" the Twitter handle again, key in #code [Pincode] and you will get a retweet confirming registration.
After registering your mobile number in this application, you can then activating value added services using Twitter. The procedure for the same is "mention" @tatadocomo and key in #act# [Service] [value]. you will get a tweet back confirming activation of the service and the amount of this service will be deducted from your current balance. However, in this initial stage only a handful of STVs or VAS can be activated using Twitter.