It is possible that:
* The name is misspelled: Double-check the spelling of the name.
* The author is relatively unknown: If the author is not well-known, they might not have a strong online presence.
* The author writes under a different name: The author may use a pen name.
To help me locate information, please provide any additional details you know about the author, such as:
* Genre: What type of books does the author write?
* Language: In what language do they write?
* Other works: Do you know the titles of any of their books or articles?
With more information, I can try to help you find what Gurdial Singh Nijar has written.