This course explains Borrower Concentration Risk in LAS and how lenders assess exposure concentration to individual borrowers or borrower groups within Loan Against Shares portfolios. It covers concentration measurement methods, exposure limits, monitoring frameworks, and de-concentration strategies used to prevent excessive single-name risk. The course also clarifies the distinction between portfolio concentration limits and single-borrower exposure limits under the Large Exposure Framework (LEF), and how these assessments guide credit risk decisions.