Aadhar card need every person for various requirement like for Open Bank Account, For Admission School or Collage ( If need ), For Rashaan Card, For identity etc. uidai.gov.in is a government site for search many information related Aadhar Card.
Click for Official website uidai.gov.in
Click For Update Aadhar
Click For Get Aadhar Card
Click For Download Aadhar Card form Enrolment No. ( Select Enrolment Number fill Enrolment id then date then time fill captcha and then click on send OTP.
Click for Download Aadhar Card from Aadhar Number
Click for Verify Email or Mobile
Click for Check Aadhaar Validity