Search policy number from name

Not possible. You have to contact the company.

You do not even put what type of policy, what nation in the entire world this is from.
Sorry but no one hear is a mind reader.

If you have a policy contact the company that wrote the policy, the agent that sold the policy to get a policy number.

See https://www.askmehelpdesk.com/insurance/lic-policy-information-643132.html