Particularly with your length of work experience, I would imagine you will have better results applying R1 in 2012 for 2013 admission. Although you (and everyone else) will continue to work between the time you submit your applications and when you matriculate, none of us get "credit" for the accomplishments achieved in that span, just the months.
The schools you mention average 4-5 years of work experience, and you're going to be on the low side of that regardless. Then you add the closeness of the R12 deadlines and the slim chances that anyone has in R3... and add that as an Indian male you're in a really tough demographic.
I just think you'd have most positive outcomes in the 2013 batch. You'll have time to really work on your essays, address any gaps in extracurriculars, and have some more accomplishments at work.
To me, the GM layoff is understandable and I expect you'll be able to cover that off in supplementals. I'm a Detroiter so I get it.
Best of luck to you on your applications - whenever and wherever you decide!