Zero charges for up to transactions per month. From the 21st transaction: Rs will be charged for transactions less than or equal to Rs 1,000 and Rs for transactions above Rs 1,000 will be applicable. (UPI Sends Money/Transfers Money to people basis the VPA or Bank Account and IFSC. Charges are applicable for transactions beyond per month using the banking app or through any 3rd party app. Goods and Services Tax (GST) at prevailing rates are applicable over and above the listed charges.)
No charges are applicable for merchant payments, online shopping transactions and bill payments.
Other FAQ Link - https://www.icicibank.com/Personal-Banking/faq/payments/payer-upi-faqs.page
T&C Link - https://www.icicibank.com/terms-condition/unified-payment-interface-tnc.page