HOW TO KNOW BSNL BROADBAND USAGE FROM SMS FOR FREE

TO KNOW YOUR BSNL BROADBAND USAGE FOLLOW THESE STEPS>>>

1. SEND (only for first time)

  "REG *your landline no* "  with std code

2.After that you can send this to know your usage any time

"BBU *your landline no* "    with std code

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For example 

1. reg 08026666212

2. bbu 08026666212

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learnt this from my friend sourabh...