The LHCb experiment at the Large Hadron Collider (LHC) has been operating since 2009, with the Ring-Imaging Cherenkov (RICH) system playing a key role in charged particle identification over a momentum range of 2–100 GeV/c. The RICH system consists of two detectors that cover the angular acceptance of the experiment. The system's performance is evaluated using data from the LHC, achieving excellent separation of hadronic particles (π, K, p). The RICH system is controlled and monitored using software and online tools, and its alignment and calibration are performed using data. The system's performance is crucial for identifying particles in the context of CP violation and rare decays of heavy flavours. The RICH detectors are designed to operate in a high occupancy environment, with careful alignment and calibration to ensure accurate particle identification. The system's performance is validated using data from the LHC, with results showing good agreement with simulations. The RICH system's performance is essential for the LHCb experiment's analysis of particle physics phenomena, particularly in identifying charged hadrons and distinguishing between different particle types. The system's performance is further validated using calibration samples and control samples, ensuring accurate particle identification. The RICH system's performance is critical for the LHCb experiment's ability to study particle physics phenomena with high precision.The LHCb experiment at the Large Hadron Collider (LHC) has been operating since 2009, with the Ring-Imaging Cherenkov (RICH) system playing a key role in charged particle identification over a momentum range of 2–100 GeV/c. The RICH system consists of two detectors that cover the angular acceptance of the experiment. The system's performance is evaluated using data from the LHC, achieving excellent separation of hadronic particles (π, K, p). The RICH system is controlled and monitored using software and online tools, and its alignment and calibration are performed using data. The system's performance is crucial for identifying particles in the context of CP violation and rare decays of heavy flavours. The RICH detectors are designed to operate in a high occupancy environment, with careful alignment and calibration to ensure accurate particle identification. The system's performance is validated using data from the LHC, with results showing good agreement with simulations. The RICH system's performance is essential for the LHCb experiment's analysis of particle physics phenomena, particularly in identifying charged hadrons and distinguishing between different particle types. The system's performance is further validated using calibration samples and control samples, ensuring accurate particle identification. The RICH system's performance is critical for the LHCb experiment's ability to study particle physics phenomena with high precision.