DOTEL/R/2018/80292

Dear sir,
We want to know that
Is it essential to link AADHAR CARD with SIM card,
If yes, then what is the legal basis
If yes, then what is the penalty of such violation
If yes, then how many SIM cards can be attached with one aadhar card
If yes then which authority will implement and take action in case of violation
If yes, and my one relative comes from abroad who want SIM card then how linking with aadhar will be done or what will be procedure then