Aadhar card is a process of Govt of india. To find out or create your Aadhar ID just contact local govt body in your native place.
if your are livng in town or city, for aadhar card you can contact your thasil or municipal office.
in each state different -2 govt body are working for aadhar card process. Like in UP state local govt body hiring private contractor for aadher card service...
Note: you CAN NOT apply for AADHAAR card online. you can fix your enrollment center only. In all over india you can search centers for Enrolment Centre using this link :