For a Basic POS solution you need following thingA computer (Laptop or desktop)A Point of Sale software based on your business.A bar code Scanner (optional)A receipt Printer (optional)Cash Drawer (optional)Cost of a computer starts from Rs 10000Cost of a Point of Sale software costs you around Rs 15000 per year if you choose cloud based solution or something around Rs 10000 if you take Desktop based softwareBarcode Scanner will cost you around Rs 1500Reciept Printer will cost you around Rs 8000