Hacktoberfest 2025 (1st pull request)

[rashmi269]

PR Description:

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[rashmi269]

Improves PAN validation by showing errors only for invalid input, reducing distractions and unnecessary messages.
Also used newValue to take input as it is a onChange Script

[rohi-v]

Thank you for your contribution. However, it seems that the file changes in this Pull Request are incorrect or invalid.

Please ensure that all modifications are correct, valid, and align with the project’s goals and guidelines.

Closing this for now.feel free to re-open this Pull Request or create a new one.