Hi @Sujith Kumar Gannoju
You can navigate to the below-mentioned link where you can find all the events which are happening/planned events at databricks, if you register for few of the certification events after completing the required steps you can able to receive the discounted certification voucher.
https://community.databricks.com/s/events
Happy Learning!!
Thanks for reading and like if this is useful and for improvements or feedback please comment.