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.
Based on your educational qualification, It is recommended that you may do certification in SAP Financial Accounting (FI) and /or SAP Controlling (CO) for good career opportunities.

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 with good salary.

Well, yes it is true that the job preference is given to those with a graduate degree but then to pursue SAP module, there is no set eligibility criteria, yet it is always preferred that one should be a graduate degree holder (minimum requirement for better understanding) and having a work experience would also be an added benefit in terms of effective implementation.
As you have mentioned that you already have experience in the SAP SD (as front end user), making it an added point of benefit for you to opt for its study module. The job prospects are bright and are even growing in India and the World for the SAP professionals.
U.S. is the biggest absorber and still lacks in fulfilling the requirement, Indians can pursue this course so to land up in a good job there.
SAP in India is offered by various Institutional partners like Genovate, Siemens, Delphi and many more. There are many institutes in India which offers SAP in various modules and to know about the same you may refer to the following link:
http://tinyurl.com/yaudflz
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As far as SAP is concerned, it is a product or ERP. SAP Education works with you to build a culture of continuously blended learning and realize a measurable return on education. It can help you design and implement learning strategies covering the entire corporate education value chain. With comprehensive offerings from SAP Education, you can optimize the value of your IT investment, Reduce total cost of ownership, Facilitate adoption and system use among your critical end users and manage your enterprise-wide knowledge transfer and communication. You'll benefit from training options based on solution, role, or program. You can take advantage of instructor-led training at an SAP Education site or your own facility; solution academies end-user solutions; e-learning courses and online knowledge products. Some of the institutes for the same are India SAP India Pvt. Ltd., SAP Education Partners Country, Genovate Solutions India Pvt. Ltd., Siemens Information Systems Limited, Clarion information soft Academy Of Computers , Future soft Management Pvt. Ltd. Golpark, Tamanna IT Solutions Pvt. Ltd., British Institutes , Infocus Education Centre Minto Park, Lalani Computer Academy Naihati etc. On the other hand we would suggest you that focus on your area of interest and set your goals accordingly.
Consider questions such as what your key strengths are and what career will suit your personality before you make any decision. We also recommend that you take the time to explore your deepest talents, interests and career goals before you decide on what the next step should be. We could guide you better.
All the best.