Key GST Features Added:
GST Toggle Switch:
Enable/disable GST calculation with a toggle
Automatically shows/hides GST fields
GST Configuration:
GST rate input (default 18%)
GSTIN number field for business identification
Enhanced Product Table:
Added HSN/SAC code column for GST compliance
Separate rows for subtotal, GST amount, and total
GST Breakdown Section:
Visual breakdown of CGST, SGST, and IGST
Clear display of tax amounts
GST Invoice PDF Generation:
Professional GST invoice format
Includes all required GST fields
Proper tax calculation and display
Complete GST Calculation:
Automatic tax calculation based on subtotal
Support for different GST rates
Proper formatting of tax amounts
The solution maintains the Lucknow-inspired design while adding comprehensive GST functionality required for professional invoicing in India.

