Am i eligible for Interview Waiver-Dropbox?

USA H1B Visa
1

https://www.ustraveldocs.com/in/in-niv-visarenew.asp

As per official site, the below questions have to be “Yes” in order to qualify dropbox.
Could you please clarify my points in brackets […]

  • I have a previous U.S. visa in the same class as the visa for which I wish to apply
    YES SAME CLASS, DIFFERENT EMPLOYER
    [IS PETITIONERS ALSO SAME ON H-1B, OR IT COULD BE DIFFERENT EMPLOYER, CAN SOMEONE CLARIFY…]

  • My most recent visa was issued in India
    YES

  • I received my visa after January 1, 2008
    YES

  • My prior visa is not annotated “Clearance Received” or “Department Authorization”.
    YES

  • My most recent visa (in the same class for which I am applying) was issued on or after my 14th birthday
    YES

  • My most recent visa (in the same class for which I am applying) was not lost/stolen or cancelled.
    YES

  • I have no refusals for a visa in any class after my most recent visa issuance
    [I GOT A H-1B VISA AMENDMENT WITH EXTENSION DENIED IN USA AROUND SEPTEMBER 2018, AFTER I GOT STAMPED IN INDIA IN 2017 DECEMBER, CAME TO USA IN JANUARY 2018]

  • If I am applying for an H or L (individual) or R visa, my prior visa in the same class is still valid or expired within the last 12 months.
    YES

2

Employer does not matter, as long as they are of the same class ( H1B). You can have different employers, it should not matter.

Visa refusal is different from Petition denial…it does not apply for your case…