Tata Docomo — recharged my number with rupees 100/- but balance is showing zero

Address:

Hyderabad, Andhra Pradesh, 500005

Hello i am farha, i have recharged my tat docomo [protected] today since i've recharged my sim with rupees 100 from my debitcard and suddenly its showing zero balance and showing that you are in grace period"what does it mean? Outgoing is not working when i call its showing"account is at grace state", i have recharged and still i can not make any call.
Please help me out with it as soon as you can.