The document defines a sick unit as one that fails to generate internal surpluses consistently and relies on external funds for survival, outlining both financial (e.g., inability to meet obligations) and operational symptoms (e.g., decline in quality, excessive turnover). It distinguishes between external and internal causes of sickness in units, covering factors beyond control like government policies and internal mismanagement issues. Various organizations and initiatives, such as DIC, SIDO, and SIDBI, are discussed for their roles in promoting small-scale industries in India and providing necessary support and incentives.