• Go to Masters > Marg Setups > Self Format.

• A 'Self Format' window will appear. The user will now enter the password.

• A 'Formats' window will appear.

• The user will select 'Invoice Format- GUI'. 

• An 'Invoice Format- GUI' window will appear.

• In ‘Format’ field, enter the name of the format.

• Suppose enter 'AC'.

• The user will now select ‘Page Settings’.

• A 'Page Setup-GUI-AC' window will appear.
• Click on 'Next'.

• An 'Invoice Format' window will appear.
• The user will search 'Margin' and click on 'Accept'.

• An 'Invoice Format Margin' window will appear.
• In 'Top Margin in Pixcels', the user will mention the length of pixcels as per the requirement. 
• Suppose mention '20'.

After following the above steps, the user can Set Top Margin in Bill / Challan / Estimate in Margin Software.