BSNL
Automatic change of plan

I am in the scheme of Excel-Anant Prepaid. I use to recharge once in a month and i get the six months validity. But, When i recharged my mobile last month, i got only one month validity and also i received the message that my excel plan has been changed and i could not activate my number thereafter. But my scheme is lifetime prepaid scheme. How is this possible? I need the solution.

Company: BSNL
Country: India

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