Unit I: Review of Riemann Integral, Riemann-Stieltjes Integral. Unit II: Lebesgue Measure; Lebesgue Outer Measure; Lebesgue Measurable Sets. Unit III: Measure on an arbitrary sigma -Algebra; Measurable Functions; Integral of a Simple Measurable Function; Integral of Positive Measurable Functions. Unit IV: Lebesgue's Monotone Convergence Theorem; Integrability; Dominated Convergence Theorem; Lp - Spaces. Differentiation and Fundamental theorem for Lebesgue integration. Unit V: Product measure; Statement of Fubini's theorem.