. Bacterial Extracellular Polysaccharides in Biofilm Process 2. Pseudomonas Putida Biofilm: Development and Dynamics 3. Biofilm Matrix Proteins 4. Microbial Biofilm- An Advanced Eco-Friendly Approach for Bioremediation 5. Bacillus Subtilis Biofilms 6. A Review on the Contamination Caused by Bacterial Biofilms and its Remediation 7. Pseudomonas Putida Biofilms 8. Mechanisms of Competition in Biofilm Communities 9. Escherichia Coli Biofilms 10. Microbial Biofilms: Insights to Bioremediation Approaches for Aquatic Organic Pollutants 11. Extracellular Polysaccharides in Biofilm Formation and Function Through Bacterial Approach 12. Algal Biofilms: Potential Wastewater Treatment Applications and Biotechnological Significance 13. Antimicrobial Tolerance in Biofilms 14. Biofilm Based Antimicrobial Tolerance and Resistance