SAP

ERP is an abbreviation for Enterprise Resource Planning and means, the techniques and concepts for integrated management of businesses as a whole from the viewpoint of the effective use of management resources to improve the efficiency of enterprise management. ERP systems integrate all the functions and departments within an organization through a common information system
Most common modules for an ERP system are Finance, Manufacturing, Human resources, Procurement, Customer relationship management etc. ERP software can be customized to keep critical business processes. SAP is the worlds largest selling Enterprise Resources Planning (ERP) software system. For implementation of SAP you require ABAB developers and functional consultants. If you want to make career in Technical then you may learn ABAB and do certifications. In case you want to be a functional specialist, you can do one of more functional module certification. SAP professionals are paid above normal developers and Business Analysts. With SAP certifications you can join IT companies or IT department of business enterprises.
You are advised to go for SAP certifications only after graduation degree other wise you will struggle to get a job.