EB3 to EB2 question

[mannyamin6]

Hi guys,

I have done my BSc 3 years with physics major in India and have 2 yrs diploma in software engineering from private institute in India.

When I came to US my credential evaluation was done. It was equivalent to US 4 yr Bachelor in Computer Science.

i have been working in US since 9 years now.

I am currently placed in EB3 and got an offer from a different employer which will promote me and have changed responsibilities.

My Question: If I do my MBA from India (2.5 yrs) will I be able to change from EB3 to EB2? 

please please Advise

Thanks

Manny