If you do not answer questions that apply, your form will be rejected. If done so, an error message will be displayed and you will be directed to complete the field before continuing with the application. The application will not allow you to submit a form with any fields left blank. If that field does not apply to you, you may opt for 'Does Not Apply'. How long does it take to complete the application? It can take 15-30 minutes if the applications is completed in one sitting.Р”Р„re all fields on the DS-160 mandatory? All fields on the DS160 are mandatory. Bring the confirmation page with you for the visa interview.Review the information you entered for accuracy.Please note, if there is no activity for 20 minutes or more while completing this online application, your session will expire and all entered data will be lost.If you plan to be away from the online application for more than 20 minutes, please save your application permanently to a file on your local computer.For fields not applicable, select 'does not apply'. Special characters like A$, B1/4 are not recognized by the system.All questions must be answered in English Alternatively, you can take a screenshot (Shift + Prt Sc button) and paste it in a Word file for printing later. It is recommended to have a laser printer connected to system so you can take a printout of the confirmation page.The minimum version of Netscape must be version 6.2 or higher.The minimum version of Internet Explorer (Windows) must be version 5.0 service pack 2 or higher.Your Internet browser must support 128-bit encryption and must have javascript enabled.Date of most recent travel to US, if any.For US residents alone, your social security number and your US tax ID number.Name and address of your relatives in USA, if any.Family information of applicant (Details of parents of each applicant, occupation, mailing address, work address, income, etc).All social media handles including Twitter, Facebook, Instagram, etc.Travel itinerary from past five years, both to the US as we as international travel.Passport details (Name as on passport, date of birth, issue date, expiration date, passport number, etc) of each applicant.Since the application must be completed online, you must have a reliable internet connection.Identify the US consulate in which you will be appearing for interview.In such cases, the photograph will taken at the OFC (offsite facilitation center) or ASC (Application Service Center) along with the fingerprint at Visa Application Center. Some embassies or consulates no longer require you to upload a digital photograph while filling out the DS-160 form. Digital photograph of applicant with aforementioned specifications.You will need the following before you start filling DS160 form for H1B visa:

Ds 260 form sample