F1 to H1b - 221-G blue slip

[snickers22]

I appeared at the Chennai Consulate on 02/26 for my H1b Visa stamping(first time). The conversation was like this:

VO: Good afternoon, can I have your passport please?
Me: Good afternoon.. (hands over the passport)
VO: Where are you working?
Me: xyz
VO:...

[randomQ]

Hi,

I am on H1 Visa and have used 1 year of it. I plan to go enroll for a Masters program and move to H4 Visa (On my Spouse H1) and then onto F1 Visa.
Can someone help me know that once I complete my Masters (I intend to work on CPT/OPT during and after this) and once I find a...