SAP Business Intelligence or SAP BI is a platform and toolkit for businesses, and provides solutions that gives companies power over their business results. The job alike Business Development Manager or rather say better control over the business or something like this. Now the Q about BI, it is a one kind of technology, based on software applications used to help a business know where it stands more clearly or it may help to organize better through electronically. You are an IT Pro and also a B.E. The background is quiet good and you may go for this and the certification is related to Computer SW, so your background helps to understand SAP BI quickly and I hope you have more grasping power.
BUT…. Always I recommend you to consult with your nearest persons regarding this matter and if possible talk with renowned consultancy firm regarding the same. Please don’t confuse and go ahead. For further details Information is also here.