HSBC (world's second bank) was involved in $100,000,000,000 money laundering in 2015
If we compare the global scenario with Indian banks, later ones are really having a very bad reputation.
Earlier the fraud and scams were limited to government banks only. But now many such cases had been reported in banks like ICICI and HDFC also. Recently, the chairman of one of the leading private banks in India was asked to on leave for giving preference to a particular company in giving loan.