Principal Mutual Fund has decided to change the benchmark in the following funds with effect from June 27, 2018:
| Schemes | Existing | New |
| Principal Tax Savings Fund | S&P BSE 200 Index | Nifty 500 Index |
| Principal Personal Tax Saver Fund | S&P BSE 100 Index | Nifty 500 Index |
| Principal Arbitrage Fund | CRISIL Liquid Fund Index | Nifty 50 Arbitrage Index |