Hiring activity for white-collar jobs witnessed a 12% on-year decline during October-November largely due to fall in recruitment trends in IT-Software, telecom and education sectors, a report said on Thursday. While, telcom, education, retailing sectors witnessed 18%, 17% and 11% decline, respectively, during October-November compared with the same months in 2022, sectors like hospitality, travel, auto and auto ancillary the hiring trend was stagnant.