Magento Doesn't provide Product import using graphQL. can any one have idea about it and how to import product using GraphQL.?
GraphQl in magento is not used for store management purpose. However you can create a custom resolver that allows admin authorization to import. eg. see Magento_LoginAsCustomerGraphQl module. Also consider a REST api import would be better in terms of performance and developer time. Bulk API in REST is really good if you want to import products through APIs. There is a very good tutorial in devdocs too.
If you get products using GraphQL
Follow the link below: