Hi @Mahesh_Gunaje,
CIF (Commerce Integration Framework) - an add-on for the Experience Manager.
A framework that can help you connect AEM with any commerce (Adobe commerce, hybris, etc.) engine.
https://experienceleague.adobe.com/en/docs/experience-manager-65/content/commerce/integrations/third...
https://experienceleague.adobe.com/en/docs/experience-manager-cloud-service/content/content-and-comm...
CIF provides out-of-the-box commerce core components that reduce the need for custom code, accelerating the time to market for brands.
https://github.com/adobe/aem-core-cif-components
To understand how to integrate a Commerce System (Ex. Hybris) with AEM, https://experienceleague.adobe.com/en/docs/experience-manager-65/content/commerce/classic/developing...