This document summarizes the different types of income tax assessments in India:
1) Self-assessment where taxpayers determine their own tax liability before filing their return.
2) Summary assessment where the tax authority can make minor adjustments to a return without an order.
3) Scrutiny assessment where the authority scrutinizes returns and may request documents from taxpayers.
4) Best judgement assessment done without taxpayer participation where they failed to file or comply with notices.
5) Reassessment allows reopening past assessments if escapement of income is found within 4-6 years.