How to check your pan number is legal or not

1.Visit Quick link page of helpciz

2.Scroll down and click on verify your pan card 

3.After that you have to enter pan card number , Full name and  Date of Birth

4.Click on continue then you have received OTP on your Linked mobile number 

5.Enter Otp and submit 

This is trick is also use to catch duplicate Id proofs

Note. Your aadhar card must be link to your mobile number

Contact 

Official site://www.incometax.gov.in/iec/foportal

Helpline  number: 02027218080