The maximum number that can be used in one’s name in India is 9. But many are unaware of this, or some take SIM cards in the name of others. But now you can know how many numbers are taken in your name and what they are. To do so, first visit the Government’s website https://tafcop.dgtelecom.gov.in/alert.php.Then at the bottom you will get the options to enter your phone number .