The modern business environment is dynamic and needs a combination of sound management science approaches and financial accountability to optimize the corporate performance. As regulatory pressures grow and technology progresses at a fast rate, organizations should implement analytical models that will improve transparency, enhance decision-making, and improve the use of resources. The study intends on researching the effects of financial responsibility on operational efficiency of corporate organizations in the Delhi NCR region. The aim of the study is realized in terms of a mixed-method methodology as the quantitative data of 100 managers and mid-level managers were used alongside the qualitative data provided by secondary sources. The results of the analysis based on mean, standard deviation, and correlation indicate the presence of a significant positive correlation between financial accountability and operational efficiency, which proves that a better financial control system, transparent reporting, and compliance policies enhance workflow coordination and minimize bottlenecks in operations. Results also highlight that evidence-based accountability improves the quality of forecasting and resilience of the organization. The conclusion puts a lot of stress on the need to incorporate the management science principles of corporate governance to gain sustainable performance growth. The implications are directed towards the fact that organizations should embrace holistic financial- operation frameworks. Such limitations are the use of a small geographic sample and self-reported data. It is suggested that further studies should be conducted in future to increase the sample size, compare across regions and use more advanced analytical models as a way of a deeper causal study.