H1B, H4 Visa

Hi,

2nd time H1B Dropbox (Same location. Same Employer. Full-time employee.)
1st time H4 Dropbox

2 separate DS160 forms were filled.
2 separate ustraveldocs accounts were created for paying visa fees. One for H1B and one for H4.
Note: In ustraveldocs, there is an option to add/link H4's DS160 information in the primary (H1B) applicant's account, but I chose to create separate accounts as dropbox eligibility questions are different for H1B and H4.

Visa expiration date on passport : Feb 01 2018
I94 date on latest I797 : Feb 01 2021

Travel Date : OCT 25 2018
Dropbox date : OCT 25 2018
Location : Delhi, Note: The location has been shifted from Nehru place to shivaji stadium metro station. You do not have to exit the metro station.
Timing : Mon-Fri 10AM - 4PM. Sunday 1-5 PM
Documents : For H1B - Passport, Photocopy of Current I797, Dropbox confirmation.
                                        : For H4 - Passport, Photocopy of Current I797 (H4), Photocopy of Current I797 (H1B), Photocopy of H1B's visa, Dropbox confirmation.
                                        *Check the Dropbox confirmation letter and bring photocopies of all documents listed in there.

Documents required for
pickup (self) : Dropbox Confirmation letter. Any Government authorized photo Id.

Note: I saw many parents struggling while collecting passports of their children because of lack of documents. If you are sending your parents for pickup make sure they have all required documents.

Passport ready for
pick-up (H1B) : OCT 30 2018
Visa approved till Feb 01 2021.

Passport ready for
pick-up (H4) : NOV 02 2018
Visa approved till Feb 01 2021.
A "Cancelled Without Prejudice" stamp was put on my wife's previous H4 visa.
Not sure what the reason was, but it didn't cause us any issue while coming back to USA.