Inventory & Accounting Software in VB6, VB .Net or C# along with Source Code

Software required with source in vb6 (visual basic 6) or vb .net or c# Details are as follows : Masters : 1) product master 2) customer master 3) supplier master 4) manufacturer master Data entry : 1) purchase entry 2) tax invoice sales 3) bill of supply sales 4) pur-return 5) sal-return All above with following details Discount, scheme discount, taxes (cgst, igst, sgst) All accounting reports to be in line with gst in india: Voucher entry Journal Payment Receipt Banking (contra) Sales (without inventory) Purchase (without inventory) Credit note Debit note (above all with aging (bill-to-bill) facility) Stock entries: Stock transfer entry Expiry/ damage stock entry Stock adjustment Reporting for stock: Stock report In detailed, without detailed. Group wise (as in tally software) Selected item's stock report (opening, in , out , closing) as in tally software Fast selling item report Slow selling item report Item wise profit report Groupwise stock report. Accounting reports : Accounting ledger (same as in tally) In detail and without detail Like with narration, with aging , with inventory details. (as in tally software) Group report (group's ledger closing report) as in tally. Group voucher summarry (as in tally software) Outstanding payable Outstanding receivables Above as in tally software with daywise also. Example ...<30 day, >30 day > 60 day Financial reports : Balance sheet Profit & loss Trial balance Ratio analysis (as in tally software) CGST, IGST, SGST reports Other reports : Dynamic report generation by selecting any table/tables and any number of column/columns Other features In purchase entry there should be facility to import purchases from excel sheet In tax invoice sales entry there should be facility to export sales to excel sheet Database backup and restore facility Financial year closing and starting facility User management User role management (screens should be displayed based for a user based on his user role) Technical details Language : visual basic 6 or vb.net or c# .net. Database must be in ms-sql 2008 PLEASE BID ONLY IF YOU HAVE READY MADE PACKAGE ONLY I will see the exe before awarding Time limit is less than 5 days Thank you.