BharatQR becomes World’s first nationwide interoperable payments service. National Payments Corporation of India (NPCI), Visa Inc. and Mastercard Inc come together to make it. It will face tuff compition from PayTM. PayTM also seems facing the heat and planned to invest  Rs 600 crore to improve and expand its own QR code-based payments network and add 10 million merchants across 650 districts.

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http://www.livemint.com/Industry/D9e712vp4kuJ1jqCiozKtL/BharatQR-code-to-be-unveiled-today.html

What is a QR code?
Why is it important to have a QR code?
What is the practice at present?
Who is on board?
How is BharatQR code different?
Why is the government promoting BharatQR?
Who can use it?
How to use it?