Nithin, thanks!

Haven't hosted any repo for it since it was the part of my product.

See if below doc helps, OKTA as IDP for SAML.

https://www.miniorange.com/iam/login-with-external-idp/configure-okta-sso

https://auth0.com/docs/authenticate/protocols/saml/saml-sso-integrations/configure-auth0-saml-service-provider/configure-okta-as-saml-identity-provider