Bsnl data usage code to check remaining balance

I HAVE BSNL SIM AND IT IS ONLY USED WITH DATA CARD. RECHARGE WITH Rs 98 .
HOW CAN I CHECK THE REMAING BALANCE

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Hi Friend,
to check the data usage in BSNL network *112# for MP & CG circle
*123*6# for UP East circle
*123*10# for Bihar circle

Their is different codes for various circle first suggest your circle to make you query more refined.