To display your own mobile number try following numbers:
>Idea: *789# Press call button
>Airtel: *121*9# or *140*6575# Press call button
>Docomo: *580# Press call button
>Aircel: *888# or *#1# Press call button
>Reliance:*#1# Press call button
>Virgin Mobile: *1# Press call button
>Videocon: *1# Press call button
>Idea: *789# Press call button
>Airtel: *121*9# or *140*6575# Press call button
>Docomo: *580# Press call button
>Aircel: *888# or *#1# Press call button
>Reliance:*#1# Press call button
>Virgin Mobile: *1# Press call button
>Videocon: *1# Press call button