The Potential Risk Class (PRC) matrix is a regulatory framework introduced by SEBI in December 2021 for debt mutual fund schemes — providing investors with a standardised, transparent classification of the maximum credit risk and maximum interest rate (duration) risk a debt fund scheme can take, within its defined category boundaries. The PRC matrix is a 3×3 grid with three levels of credit risk (Class A — lowest credit risk with investments in government securities and AAA-rated instruments; Class B — moderate credit risk; Class C — relatively higher credit risk) on one axis, and three levels of interest rate risk (Class I — lowest duration/interest rate risk; Class II — moderate; Class III — highest duration risk) on the other — creating nine possible risk class combinations. Each debt mutual fund scheme is assigned a specific PRC position indicating the maximum risk it can take — and the fund manager cannot exceed this boundary even on a temporary basis. The PRC matrix was introduced to improve transparency after investors were surprised by credit risk events in debt funds (IL&FS crisis 2018, Franklin Templeton wind-up 2020) where the risk level of the fund was not clearly understood upfront. For Indian fixed income investors comparing debt mutual funds, the PRC matrix provides a quick framework to assess whether a fund's actual risk profile matches the investor's stated risk tolerance before investing.