USA visa appointment step by step instructions for taking online appointment in India through VFS

Visit the VFS Web site.
Click on the link Apply for a Non-Immigrant Visa located towards the top of the page.
The screen will show the visa fee details. Click on the "continue" button.
If you are applying for a business visa and your company participates in the Business Executive Program, choose the "yes" option and enter the group access code. Otherwise, choose the "no" option.
Click the "go" button.
You will see three options:

A. Create a new application.
As the name suggests, it is used to create a new application for the first time.
If your saved application was deleted because you didn't confirm the date within 7 days, you can use this link to create a new application again.

Further Instructions

B. Retrieve/ Modify a saved application.
While creating an application, you will choose the option "Save Application and Exit" in most of the screens, until you confirm the appointment date or before completing all the procedures.
After you have saved the application, you can use this link later to make further changes in the application or if you need to complete the remaining procedures to confirm appointment date.

Further Instructions

C. Download details of a confirmed appointment.
This link can be used to download the saved forms, such as DS-156, DS-157, DS-158, appointment confirmation letter, etc.

Further Instructions

After you click the "Create a New Application" link, you will see a list of the documents to keep handy, as well as the "Terms and Conditions" and "Privacy Policy." You must select the option "I Agree" and click the "continue" button.
Answer whether you are a resident of India/Bhutan or an Indian citizen resident in the U.S.
Select your "State of Residence" and "Purpose of Travel." For "State of Residence", you must the c
Answer whether you have been refused a visa twice within past 12 years.
Answer whether you are applying for a visa in the same class that expired within last 12 months.
Select the language of interview. Choose English if you are comfortable with having your interview in English. Do not choose English because if a regional language appointment is not available with the hope of having an interpreter later.
Enter code as seen in the image. This is used to prevent automated programs from filling out the forms and checking the dates.
Click on the "Continue" button.
If there are any interview dates available, they will be shown in green on the calendar. If you see any dates in green, click on the "Continue" button.
If there are no dates available now, you will see a pop-up message indicating this. You must try again later and repeat the steps described above.
Enter the passport expiration date and click on the "Continue" button.
Enter the details from your Visa Fee Receipt issued by HDFC Bank. Make sure to enter the data correctly. You will have to reenter some of this data if you need to reschedule or cancel an appointment later. You will also be asked to create a password based on your 'Mother's Name'. You must remember your password. If you want to reschedule or cancel your appointment, modify or download your visa application, you will need to enter your password and the visa fee receipt number. If you forget your password, you must contact VFS .
Click "Continue."
It will show the notes that must be entered into the DS-156 form in the subsequent screen. Click "Continue."
Fill out the DS-156 form, save, and click "Continue."
After you have saved the form successfully, it will show a summary screen with the name of the applicant and a tick mark next to form DS-156, indicating it has been completed.
Depending upon the date of birth entered (anyone up to the age 55 years), the appointment program automatically decides whether the form DS-157 is required or not.
If required, you will see form DS-157 without a tick mark next to it. Otherwise, skip steps 10 and 11 described below.
Click on the link for DS-157 and fill out the form.
After you have saved the form DS-157 successfully, it will show a summary screen with the name of the applicant and a tick mark next to both forms DS-156 and DS-157, indicating both have been completed.
If you are applying for a student visa, you will see form DS-158 without a tick mark next to it. Otherwise, you will not see a link for form DS-158.
If you see a link for DS-158, click on the link and fill out the form.
After you have saved the form DS-158 successfully, it will show a summary screen with the name of the applicant and a tick mark next to all forms DS-156, DS-157 and DS-158 , indicating all three have been completed.
If you would like to make an appointment for other family members in the same appointment slot at the same date and time, click on the "Add New Applicant" link. If you are scheduling a one-person appointment, skip this step and click on the "Continue for Confirm" option.
If you select the "Add New Applicant" link, the appointment program checks whether the same appointment date and time slot is available for two applicants (or the total number of applicants).

If there are appointment dates available, you will have to repeat the steps 7 through 13 for each additional applicant.

If the appointment date/time slot is not available, click on "Save Application and Exit." You will have to try again later using the Retrieve/ Modify a Saved Application.
From the summary screen, you will have several options such as "Save Application and Exit," "Continue for Confirmation," etc.
Click "Continue for Confirmation."
The program will ask you for the Blue Dart delivery information for each applicant. You may choose from several options such as office address, hold at counter, other location, etc.
Click "Continue."
You will be asked to select the available date for appointment.
After you have successfully selected the appointment, it will give you an option to enter an email address, and it will send you a link to download the documents.
It will show the summary screen with links to download the appointment letter, forms DS-156, DS-157, DS-158, etc., and instructions for all the applicants. DS-156 must have a barcode printed on the first page. This bardcode matches the barcode on your visa fee receipt.
If you completed your application forms online and didn't book your visa interview appointment, VFS system saves your forms for seven calendar days only. After seven days, your forms are deleted and you will have to complete the forms again.