PAN, or Permanent Account Number, is a unique 10-character alphanumeric code issued by the Indian Income Tax Department to every taxpayer. This number plays a fundamental role in identifying a taxpayer's income and is essential for various financial activities like filing Income Tax Returns, purchasing mutual funds, or applying for loans.

How to Check PAN Card Details by Name and DOB:

1. Visit the Income Tax E-Filing page
2. Select 'Verify your PAN' under 'Quick Links.'
3. Input your PAN, full name, Date of Birth, and mobile number.
4. Provide the OTP received on your mobile and click 'Validate.'
5. Your 'PAN is active and details are as per PAN' will be displayed.

How to Find PAN Card Details Using PAN Number:

1. Access the Income Tax E-Filing page
2. Click 'Register' and fill in your PAN.
3. Submit the necessary details carefully.
4. Check your email for account activation instructions.
5. Log in at the official Income Tax Department site again.
6. Navigate to 'PAN Details' under 'Profile Settings.'
7. Your PAN information such as name, address, area code, jurisdiction, etc., will be listed.

How to Discover Address in PAN Card

1. Visit the Income Tax E-Filing platform
2. Select 'Login' at the top right corner.
3. Log in using your PAN/Aadhaar/User ID and password.
4. Select 'PAN Details' from 'Profile Setting' options.
5. Access your full address and other details.

How to Update PAN Card Information

1. Visit Protean-TINPAN website and choose 'PAN' under 'Services.'
2. Click on 'Apply' under 'Change/Correction in PAN Data', complete the form, and upload relevant documents.
3. Complete the declaration, submit, and make payment via net banking, demand draft, credit, or debit card.
4. Use Aadhaar-based e-Sign to verify your application.
5. Post-payment, download and print the acknowledgment for records.

To revise your PAN address using Aadhaar, ensure your mobile/email is linked with Aadhaar. Visit NSDL or UTIITSL portals and follow these:

1. Fill in PAN, Aadhaar, email, and mobile number.
2. Agree to terms, enter the captcha, and submit.
3. Validate with OTP sent to your mobile/email.

A PAN card is crucial as it serves as credible identity proof and is necessary for a variety of transactions including account openings, loan applications, and tax filings. It's vital to safeguard your PAN data and keep it current to prevent misuse. In case of loss, you can reorder a reprint with your PAN details.

• [EMIs]: Equated Monthly Installments
• [FATCA]: Foreign Account Tax Compliance Act
• [OECD]: Organisation for Economic Co-operation and Development
• [GST]: Goods and Services Tax
• [HUFs]: Hindu Undivided Families
• [PPF]: Public Provident Fund
• [EPF]: Employees' Provident Fund