The document summarizes different types of tax assessments in India: self-assessment, intimation, scrutiny assessment, best judgment assessment, income escaping assessment, and assessment in case of search. It provides details on the procedures, timelines, and circumstances for each type of assessment. Key points covered include types of adjustments that can be made under intimation assessment, when a scrutiny notice can be issued, the 21-month deadline for completing scrutiny assessments, and that assessments are required for the 6 years preceding a search/requisition.