Complex sentence: As a Programme Manager, Hayat setup a one room Human Resource Development (HRD) unit at NRSP which, over a period of 18 years, evolved into a specialized training institute known as the Institute of Rural Management (IRM).
Split into simpler sentences: As a Programme Manager, Hayat setup a Human Resource Development (HRD) unit at NRSP. Over a period of 18 years, it became a training institute known as the Institute of Rural Management (IRM).