This document provides a comprehensive summary of 645 important tax judgments delivered by Shri A.D. Jain, Vice-President of the Income-tax Appellate Tribunal. It covers various aspects of direct taxation, including capital gains, tax exemptions for educational institutions and charitable trusts, speculative transactions, cash credits, and expenditure deductions. The summary is organised section-wise, detailing case references, arguments, rulings, and key takeaways. This resource is invaluable for tax professionals, legal practitioners, and businesses seeking to understand key tax case law.