This document is a project report submitted by a student named Ojas Nitin Narsale to the University of Mumbai for an Advanced Cost Accounting and Budgetary Control course. The report discusses various types of budgets including zero-base budgeting, performance-based budgeting, and flexible budgets. It provides definitions and comparisons of different budgeting models and their advantages and disadvantages. The report also discusses key aspects of zero-base budgeting and its use in both the public and private sectors.