Starting May 1, YES Bank and ICICI Bank will implement revisions to their service charges, affecting account holders. YES Bank will adjust Average Monthly Balance (AMB) requirements for various savings account types, with penalties ranging from Rs 750 to Rs 1,000 for non-maintenance. Additionally, YES Bank will discontinue certain account types like Savings Exclusive and YES Savings Select. Meanwhile, ICICI Bank will introduce changes such as reduced debit card fees, revised cheque book charges, and adjusted IMPS transaction fees. Cash transaction charges will vary based on branch type, with third-party transaction fees capped at Rs 150.