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UPI is not becoming a paid service for ordinary users. Person-to-person transfers stay free at any amount, merchant payments up to ₹2,000 stay free, and small vendors keep a mandatory zero rate. The new merchant discount rate starts at 0.4% above ₹2,000 and applies to roughly 4% of merchant transactions.
The CDC rule most people hear about is 24 hours fever-free. It is necessary and it is not sufficient. The rule that decides whether a sick day ends is that symptoms are getting better overall — and some illnesses, norovirus especially, do not follow the respiratory rule at all.