How the humble RuPay card is challenging Visa and Mastercard’s reign in India

"If this had happened with Visa or Mastercard, heads would have rolled!" We are chatting with the senior official of one of India’s fastest-growing private banks. The bank had issued RuPay debit cards to its customers. Trouble struck when RuPay decided to migrate from its iFrame-based checkout system for online payments to the URL redirect system. “For at least two months, there was a complete blackout,” a senior official of a private bank says,