Defence Research & Development Establishment (DRDE) is involved in the development of sensors for biological and chemical agents, Development of devices for physical protection and decontamination, Synthesis, evaluation and process development for toxicants and antidotes, Development of instrumental methods for the analysis of toxic chemicals. Toxicity studies in animal models for the safety evaluation of chemicals, Development of immuno-based detection systems, Expertise in recombinant DNA and hybridoma technology for detection of and prophylaxis against infectious agents, Development of vector control systems, Ecofriendly biodigester technology, Expertise in training for creating awareness against biological and chemical attack.