This document discusses the evaluation of national health programmes, specifically focusing on the evaluation of India's Revised National Tuberculosis Control Programme (RNTCP). It begins by defining evaluation and describing its purposes and types. It then provides details about the RNTCP, including its history, structure, processes for monitoring and evaluation at various levels, and external funding sources. Key aspects of evaluating the RNTCP involve assessing performance indicators, conducting internal and external evaluations, and repeating surveys to measure disease prevalence and drug resistance over time.