The document summarizes key changes between old and new labor legislation in India. It discusses 3 new labor codes that consolidate previous acts: the Industrial Relations Code, Occupational Safety, Health and Working Conditions Code, and Social Security Code. Some major changes include expanding the definition of "worker", allowing fixed-term contracts without retrenchment benefits but with other statutory benefits, increasing the threshold for lay-off and closure approvals, introducing a universal social security system for gig and platform workers, and establishing a single registration and inspection system to reduce compliance burden for businesses.