I don't know what Kunal's temporary work authorization was, but note also that the STEM extension for the OPT program has been tweaked in recent years, so that

I don't know what Kunal's temporary work authorization was, but note also that the STEM extension for the OPT program has been tweaked in recent years, so that you can typically get three bites at the H-1B apple while you're still on an F-1 visa.