Billing & Accounting Software Dev. for Supermarket

General Merchant like super market. Allows to separate the billed items into White accounts and black accounts to separate and family accounts with shops accounts. The tax calculation will be as per government norms of India. The most important is billing should be on thermal paper as same as Supermarket bill of size (wide) 3". Software can be use on XP to win8, fast billing is necessity of the shops.