(42 Lectures + 14 Tutorial)1. The cosmic history andinventory2. A sketchofgeneralRelativity.3. The expandingUniverse4. Friedmann Equations and CosmologicalModels5. The Standard cosmologicalmodel.6. The inflationaryUniverse.7. Primordial nucleosynthesis and the thermal history of theUniverse.8. Perturbations in an expandingUniverse.9. Ggrowth of perturbations10.Dark MatterHalos.11.Statistical description of gravitational clusteing 12.Special Topics:Fluctuations in the CMB, Lensing, Cluster Cosmology, The Lyman-alpha Forest, Re-ionization, Halo Model, Redshift Space Distortions.