SAP

It will be between 20000 and 30000 rupees per month.

You can get jobs related to SAP course.

You should opt for MBA.

Yes, you will get a good position if you have SAP certification in any module. I suggest you to do SAP MM along with SD which is highly valuable to get consideration for a good position. In case of India and abroad, high scope of SAP is only in Germany. In India, you may need at least 3 to 4 years of experience in SAP to get a higher position.
Well sometimes, it depends on the institute where you have got certified.

Yes, SAP is a course.
You can check the below mentioned link for more details:
http://www.saponlinetutorials.com/sap-stands-for-sap-full-form/
Good luck.

HPCL is the best training partner for SAP in SCM and MM module.

SAP is the world's largest selling enterprise resources planning (ERP) software system. For the implementation of SAP, you require ABAB developers and functional consultants. If you want to make career in technical field, then you may learn ABAB and opt for certification courses. 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 various business enterprises.

Yes, MBA with SAP is a great combination. You can get high salary packages after completing SAP certification course along with MBA.