What does the 4th letter of a PAN mean?
The type of holder. P means an individual, C a company, F a firm, H a Hindu Undivided Family and T a trust.
What is the 5th character of a PAN?
The first letter of the surname for an individual, or of the entity's name for others. For Rahul Verma it would be V.
How do I know if a PAN is valid?
This page checks that the pattern and holder type are correct, which catches typing mistakes. To confirm that a PAN is active, use the Verify PAN service on the Income Tax e-filing portal.
Is it free, and is what I type sent anywhere?
Yes, it is free, with no sign-up. Everything is worked out inside your browser, so nothing you type is sent to a server.