Double Entry Accounting System

I need a fully functional Finance Software for Financial Accounting with well documented source code. Bid only if demo could be shown. Some of the features that i look forward are as : Daily Books (Cash, Bank, Journal, Debit Note, Credit Note, Sales and Purchase), Trial Balance, Balance Sheet, Profit & Loss, Cost Center Analysis, Budget Analysis, Final Account, Cash Flow Statement, Fund Flow Statement, Expense Analysis, Ratio Analysis, T.D.S. Return, Bank Reconciliation, Bank Overdraft, Cheque Status, Depreciation Charts and other reports. Sales and Account Receivables Invoicing, Sales Tax Return, Sales Tax Forms, Credit Limit, Sales Book, Credit Note for Rejection and Returns, Credit, Note Register, Customer’s Balance, Customer’s Statement, Customer’s Outstanding Analysis (Age wise/Bill wise /Due Date wise), Payment Reminder, Forum Reminder, Classification of Debitors, Payment Collection Register, Sales Analysis Report, Sales vs Targets, Sales Trends, Customer Order Status, Order Schedule, Interest, Calculation, Invoice Reconciliation, Product Profitability Analysis, Sales Summary. Purchase Accounting and Account Payable Suppliers Balance, Supplier’s Statement, Outstanding Analysis (Age wise/Bill wise/Due Date Wise), Purchase, Debit Note for Rejection and Return, Debit Note Register, Purchase Analysis Report, Purchase order Status, Expected Delivery, Order Scheduling. Costing Cost Center, Project Forecasting, Man Hour Rates, Projects Overheads Details, Formulation of Costing, Allocation of Expenses, Budget Analysis, Forecasting Analysis, Consolidation of Projects Inventory Stock Control (Multilocation Store Concept), Purchase and Sales of Stock in different units, Monitoring of Maximum Level, Minimum Level and Reorder Level, Monitoring of Stock sent out for Job Work, Stock Valuation (Stocks are valued on Moving Weight Average Rate of FIFO of Various Receipts, Issue and Receipt of Materials), Indentation and Monitoring of Material, GRN Register, Issue Register, Stock Ledger, Rejected Stock Ledger, Stock Statement, Purchase Bill Analysis, ABC Analysis and many other Reports. Payroll Employee Personal Information, T.D.S. on Salary as per Income Tax Rules, Increments and Arrears Maintenance, Statutory reporting of PF & ESI, Printing of all Statutory Forms as 12, 12A, 6A, 3A, Monitoring statements of Advances, Leaves and Loan, Automatic deduction of Loan Installments, TDS Reporting of Form 16, Overtime, Calculation According to Statutory Laws, Salary Slips, Salary Register. Excise MODVAT Adjustments, 57 F (3) Register, RG 23 A Part – I Register, RG 23 A Part – II Register, RG – 1 Register, RG – 12 Register, RG 23 C Part – I Register, RG 23 C Part – II Register, PLA Register, Monthly abstracts of PLA..