4.1 Introduction4.2 Biosensor: Features, Principle, Types, and Its Need in Modern-Day Life4.3 Common Carbon Nanomaterials and Conducting Polymers4.4 Processability of CNTs and GN with Conducting Polymers, Chemical Interactions, and Mode of Detection for Biosensing4.5 PANI Composites with CNT and GN for Biosensing Applications4.6 PPy and PTh Composites with CNT and GN for Biosensing Applications4.7 Conducting Polymer Composites with CNT and GN for the Detection of Organic Molecules4.8 Conducting Polymer Composites with CNT and GN for Microbial Biosensing4.9 Conclusion and Future ResearchReferences