Chapter ONE

1.1 Introduction
1.2 Background of Study
1.3 Problem Statement
1.4 Objective of Study
1.5 Limitation of Study
1.6 Scope of Study
1.7 Significance of Study
1.8 Structure of the Research
1.9 Definition of Terms

Chapter TWO

2.1 Overview of Leather Tanning Processes
2.2 Historical Perspective of Leather Tanning
2.3 Types of Tanning Agents
2.4 Chemical Composition of Neem Plant Bark Extract
2.5 Previous Studies on Neem Plant Bark Extract
2.6 Effects of Neem Plant Extract on Other Materials
2.7 Environmental Impact of Traditional Tanning Agents
2.8 Sustainability in Leather Tanning
2.9 Innovations in Leather Tanning
2.10 Comparative Analysis of Tanning Agents

Chapter THREE

3.1 Research Design
3.2 Selection of Sample
3.3 Data Collection Methods
3.4 Data Analysis Techniques
3.5 Experimental Setup
3.6 Variables and Controls
3.7 Ethical Considerations
3.8 Research Limitations

Chapter FOUR

4.1 Quantitative Results Analysis
4.2 Qualitative Results Analysis
4.3 Comparison with Hypotheses
4.4 Discussion on Neem Plant Bark Extract Efficiency
4.5 Impact on Leather Quality
4.6 Environmental Implications
4.7 Practical Applications in Tanneries
4.8 Recommendations for Further Research

Chapter FIVE

5.1 Summary of Findings
5.2 Conclusion
5.3 Implications of the Study
5.4 Contributions to Leather Industry
5.5 Recommendations for Industry Practice