I applied from Delhi , so far what I have understood is that for now I need to apply for a long term visa (which i did). Then apply for a blue card from DE. ( I am not confirmed thou)
http://apply.eu/BlueCard/Germany/
It says in above link ,
For occupations that face a labour shortage (includes IT), the limit stands at 37,128 Euro for blue card.
pls do check these link also, will be helpful
http://www.make-it-in-germany.com/en/for-qualified-professionals/working/guide/visa#citizens-of-other-states
http://www.make-it-in-germany.com/en/for-qualified-professionals/working/guide/recognition
http://www.make-it-in-germany.com/en/for-qualified-professionals/working/quick-check
Also i am really not sure, if non IT graduation degree will play a spoilsport or not , even thou we have 4-8 yrs of experience in IT ? They above 3 links does give some hope.
Have you applied for your visa ? If not may be during the document submission you can ask Consulate on the same ,if its gng to be long term or Blue card .