The UPI-to-Crypto Playbook: Which Exchanges Work, Which Banks Block, and What to Do When They Do

If you've ever tried to deposit funds into a crypto exchange and watched your UPI payment fail — or worse, seen your bank account flagged — you are not alone. UPI is India's most convenient payment rail, and it's also the most unpredictable one when it comes to crypto. This guide cuts through the noise and gives you the exact playbook to fund your crypto account reliably in 2026.