Aadhar card is totally free service provided by the people of India and also for the NRI too. Their is not any single money required to get the aadhar card. You only need to go to the enrolment centre for aadhar card and fill the form for the aadhar card .
If any responsible person taking any charge form you for applying for the aadhar card , you should complain about him to our portal here.
It is a totally free service provided by Indian government to provide the Unique identification to Indian. Get your nearest aadhar card enrolment number at here.