In order to set default format for challan or estimate, the user needs to follow the certain steps:-

• Firstly, Go to Masters >> Marg Setups >> Self format.

• A 'Self Format' window will appear. Enter the password. 

• Select 'Default Invoice Formats'.

• In next window, select the option 'Select' under Type heading for 'Sales Challan/Estimates' Format.

• Now, the user will select the format type either GUI or DMP as per the requirement.

• Suppose select 'GUI'.

• Now, user will select the default format for 'Sales challan/estimate' format.

• Suppose select '11 Gst' Format.

• Then Press 'Page Down' key.

• Now click on 'Yes' to save the changes.

After following the above steps, the default format will get set for the challan /estimate invoice format.