@PayashYou have a option to add the catalog item to multiple categories as per the below article.
How to associate multiple categories to catalog item : https://support.servicenow.com/kb?id=kb_article_view&sysparm_article=KB0711988
As per the process, its not a good practice to change the values after submission of the request.
- You can raise on behalf of the requestor using the correct catalog item.
- Request the user to raise a new one by cancelling and updating the additional comments appropriately by providing all details.
Please mark this as helpful and accept it as a solution if this resolves your query.
Sujatha V.M.
