Environment, Climatic Factors, Topographic Factors, Edaphic Factors, Ecological Adaptations, Biotic Factor, Autecology of Species, Ecological Concept of Species and Individuals, Population Ecology, Community Ecology, Community Dynamics, Ecosystem Ecology, System Ecology and Ecosystem Modelling, Habitat Ecology, Bio geography, Natural Resources and Their Conservation, Wildlife Management, Energy Resources, Environment and Development India's Approach, Environmental Pollution, Toxicology,Ecotoxicology and public health, Environmental Education and Organisations, Practical Manual, Conservation Biology.