Array
(
    [id] => 101
    [demand_no] => DMD-CSMC-2026-09-0101
    [bill_no] => BILL-CSMC-2026-09-0101
    [ulb_id] => 1
    [demand_batch_id] => 
    [unit_id] => 1
    [tenant_id] => 1
    [lease_id] => 1
    [bill_number] => BILL-CSMC-2026-09-0101
    [bill_date] => 2026-09-01
    [due_date] => 2026-09-15
    [billing_month] => 9
    [billing_year] => 2026
    [rent_amount] => 12000.00
    [maintenance_charge] => 1000.00
    [base_rent] => 12000.00
    [maintenance_fee] => 1000.00
    [water_charge] => 500.00
    [other_charges] => 200.00
    [current_demand] => 13700.00
    [previous_arrears] => 4800.00
    [late_payment_interest] => 250.00
    [total_payable] => 18750.00
    [net_amount] => 18750.00
    [water_sanitation_cess] => 500.00
    [gst_amount] => 0.00
    [previous_arrears_principal] => 4800.00
    [previous_arrears_interest] => 0.00
    [penalty_interest] => 250.00
    [total_demand_gross] => 18750.00
    [total_paid_amount] => 0.00
    [balance_due_amount] => 18750.00
    [payment_status] => OVERDUE
    [upi_qr_payload] => upi://pay?pa=csmc.estate@sbi&pn=CSMC_MUNICIPAL&am=18750.00&tr=BILL-CSMC-2026-09-0101
    [created_at] => 2026-09-25 13:03:24
    [updated_at] => 2026-09-25 13:03:24
)