You can get into SAP Finance side. This is currently having a very good market and there are wide openings for this. Take up a course in this and get into this area.All the Best.
It is good that you have already started your career with ASP.NET, C# and ADO.NET With Six months, it is time to consolidate all your learning's and sharpen your skill-set, Spend some more time in ASP field so as to gain credible level of competency. At the same time you are read books on Data Warehousing. Bottom line is Whatever you learn should help you in career growth.
What are the programming languages you are good in. What kind of job you do in the bank?
Answer these two questions, then we can suggest you how you can change your career to IT.
Just keep refreshing with mainframe concepts and until you get a job in mainframe, try to learn any of the leading technology - .Net, Java or any, Keep trying you will get a job.
DWH is good choice.but u can stay back in QA-Automation since it is grooming well especially QTP.
Why should you go for SAP BW, You will go for SAP Finance or Oracle finance.i am sure you will be getting good feature.
Personally I don't see any reason for you to change the field to software. Since you have 7 years in exp in electronics field.. why don't you try in Intel, Siemens. In electronics field itself. Even my brother is BE Electronics.. he is very happy with electronics field.
I think not require any coaching , U have to go through aptitude test , C and communication.
U can prepare ur self better.
I think Both Mech. Field and IT are totally different. You cant achieve in IT Field only by undergo training course. Without hard-work and deep concentration its not possible to achieve something in IT. Before you go ahead into IT Be confident and understand the things in IT. Then you can win.
Let me know your full details like what is your qualification,your work area,work exp and so on so that I can guide you briefly and properly on the same.
SAS 9.0. has a Good Scope.