H1 Transfer even if not been used

[batas]

Hi,

I have an approved H1 petition and H1 visa stamp from company X, but I'm currently in India and I haven't used my H1 because company X decided not to push the employment. Company Y is interested of hiring me for a similar position and here are my questions...

1. Can company Y apply for an H1 transfer or is it a new H1 application just like the first time application?

2. Is it subject to H1 quota or cap?

Thanks.