Before starting the tutorial here are some basic settings (prerequisite) for Adobe Photoshop.
Adobe Photoshop "document resolution setting" for Print
Resolution: 300 Pixels/Inch
Passport Size Photo Size
Stamp Size Photo Size
A4 Paper Size
Start your Adobe Photoshop
1. Open your photo of which you want to print in passport size photo.
File >> Open (open your photo which you want to print in passport size photo)
2. Create new document with given settings
File >> New
Width: 1.5 Inch
Height: 2 Inches
3. Now copy your photo from photo.jpg to your new document
4. Adjust the photo to fit in to new document
Select your photo layer and press "Ctrl + T" to Free Transform the layer, and adjust the photo in to screen as shown in the image while adjusting image please select the button "Maintain aspect ratio" as shown in the image, by doing this your image won't get stretched.
5. Crop your Photo according to the screen
Select Crop Tool by pressing "C" or selecting Crop Icon from tool menu.
Now click on the document as shown in the image your screen will get auto selected and then press enter.
It will Crop you photo according to the document.
6. Add Stroke
Now "give stroke" to your image as we have "border" in passport size photos.
Double click on your layer a "Layer Style" window will come, now select stroke tab as show in the image.
Select Stroke >> Set
Size: 10 px
And click on OK
7. Define Pattern
Now click on Edit >> Define Pattern it will allow your to create a pattern name as shown in the image.
8. Create A4 Paper
A4 Paper resolution
Width 12 Inch and Height 8 Inch
Crete new document,
Go to file menu Click on New, and create new file with given settings,
Width: 12 inch
Height: 8 inch
and click on Ok Button a new blank page will get created.
Now Create one New layer.
9 Fill Pattern in New Document
Fill the pattern by selecting Bucket Tool >> Selecting Pattern, that your have created >> and select or created pattern as given in the image.
and fill the new image with selected Pattern
A4 Paper with 32 Passport Size Photos
Now Just take the print through Printer In A4 Paper it will give you 32 Passport Size Photos.