Hi @kshitij jain ,
Welcome to Microsoft Q&A forum and thanks for posting your query.
Yes, you are correct. White space in column name is not supported for Parquet files. Please refer to note in this doc: Parquet format in Azure Data Factory
Here is an blog posted by an MVP (Disclaimer: Not an MSFT official blog) which is relevant to the issue you are facing and possible solution to overcome it.
Here is the blog: Export Parquet Files with Column Names with Spaces
Hope this info helps. Do let us know how it goes.
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Hi @kshitij jain ,
We still have not heard back from you. Just wanted to check if the above information was helpful? If it answers your query, please do click “Accept Answer” and/or Up-Vote, as it might be beneficial to other community members reading this thread. And, if you have any further query do let us know.