Introduction: tuberculosis (TB) is a significant public health issue. Planning, implementing, and evaluating advocacy, communication, and social mobilization activity requires an assessment of the region's knowledge, attitudes, and health-seeking practices. This could increase the rate of case discovery. This study's objective was to evaluate patients' TB knowledge, attitudes, and practices in Ghaziabad district. An 18-year-old and older sample of suspected and confirmed TB patients was surveyed cross-sectionally. 412 people had signed up to participate for this reason. Data were gathered using a pre-validated, structured questionnaire. An association with various variables was also examined using chi-square and multivariate logistic regression analysis. Regarding pulmonary TB, respondents' mean and median knowledge scores were 5.61 and 6, respectively. The majority of respondents had a number of misconceptions about the most contagious form of TB in all areas. The present free cost of TB diagnosis and treatment was unknown to about half of the respondents. The primary deterrent to seeking care, according to 67.5% of respondents, is cost. Many respondents' beliefs concerning TB were widespread. In order to close the gap in the study sites, the TB control program needs to take lobbying, communication, and social mobilization into account.