How to link Aadhaar Card with PAN (Online and through SMS)

How to Link Aadhaar, PAN Card Online, by SMS is explained here

How to Link Aadhaar, PAN Card Online

 PAN is Permanent Account Number which will be issued by Govt india to every tax payer in india.
it contans a unique 10 character code that is assigned to all tax paying entities in india. It helps the Govt to keep track the transactions of the citizen of india.
The Aadhaar is a unique identification card that will be issued to every citizen of india.  The 12 Digit number that serves as proof of identity as well as proof of Address. 

The Income Tax Department has made it easy for taxpayers to link their PAN with Aadhaar. Responding to grievances of taxpayers regarding difficulties in linking PAN with Aadhaar their names did not match in both systems (Eg. Names with initials in one and expanded initials in another). the Department has come out with a simple solution now.
 In case of any minor mismatch in Aadhaar name provided by taxpayer when compared to the actual data in Aadhaar, One Time Password (Aadhaar OTP) will be sent to the mobile registered with Aadhaar. Taxpayers should ensure that the date of birth and gender in PAN and Aadhaar are exactly same. In a rare case where Aadhaar name is completely different from name in PAN, then the linking will fail and taxpayer will be prompted to change the name in either Aadhaar or in PAN database.
The details as per PAN will be pre-populated. Enter Aadhaar no. and ENTER NAME EXACTLY AS GIVEN IN AADHAAR CARD (avoid spelling mistakes) and submit.
Procedure to link:
  1. There is no need to login or be registered on E-filing website. This facility can be used by anyone to link their Aadhaar with PAN. 
  2. You can link your Aadhaar with PAN by using below links.
  3. Just open the below link
  4. Enter PAN Number
  5. Enter Aadhaar Number
  6. Enter Name as per Aadhaar
  7. enter Captcha code
  8. Click on Link Aadhaar

How to Link Aadhaar, PAN Card by SMS

Now you can link your Aadhaar and PAN through SMS also. The Income Tax Department has urged taxpayers to link their Aadhaar with their PAN, using an SMS-based facility.It can be done by sending an SMS to either 567678 or 56161.
Send SMS to 567678 or 56161 from your registered mobile number in following format:
UIDPAN<SPACE><12 digit Aadhaar><Space><10 digit PAN>
Example: UIDPAN 123456789123 AKPLM2124M
 People can also visit the official e-filing website of the department to link the two identities, in both the cases– identical names in the two databases or in case where there is a minor mismatch.
The Income Tax Department has made it easy for taxpayers to link their PAN with Aadhaar with just a 2 step process which does not even require  to login or register at the e- filing website. This facility can be used by anyone to link their Aadhaar with PAN.

The government has made it compulsory for taxpayers to link existing Aadhaar numbers with PAN with effect from July 1. Without the linkage they will not be able to file Income Tax Returns (ITR) anymore. Even application for PAN would require Aadhaar number or enrollment ID from now onward.