This document provides guidance on responding to different types of income tax assessment notices from the Central Processing Center (CPC) in India, including Section 143(1) intimation, 143(2) assessment, 148 for income escaping assessment, 139(9) for defective returns, 156 notice of demand, and 200A for TDS mismatch. It advises taxpayers to write to CPC for rectification, file revised returns, meet with assessing officers to provide documentation and explanations, correct TDS mismatches by visiting the e-TDS department, and pay tax demands or seek rectification by proving assessments are incorrect. More information is available by visiting the income tax website or contacting the email and phone provided.