H1 b visa transfer without working with H1 sponser


During my L1-b visa tenure in USA , I filed my H1-b visa in USA through consultant but before approved I came back to India.

In India I Stamped my H1 visa approval …

1 . I never worked on H1-B visa in USA .Can I transfer my H1 visa to my Indian company which also has offices in USA ?

2 Is pay stub required for H1 -b Visa Tranfer ? --I dont have it…I never worked on H1-b visa?

3 What Document requried for H1 b visa transfer ? how much time it will take for Visa transfer ?

4 Is previous employer know about H1 B Visa transfer ?

5 Is there any rejection chances for H1 B visa transfer ?