Here are some possibilities:
* Misspelling: It could be a misspelling of a similar-sounding name. For example, "Pranjal" is a common Hindi name meaning "respectful" or "devout."
* Foreign Name: It could be a name from a different language, such as English, that has been adapted into Hindi.
* Unique Name: It is possible that "Prankul" is a unique name created by someone.
To determine the meaning, you would need more context or information about the name's origin.