The omnipresent existence of human-nature relationship all over India has been grossly neglected as a tool for conservation management. The sacred groves, patches of forests conserved due to associated religious faith have been described by foresters, travelers, anthropologists, ecologists for more than two hundred years from different parts of the country. The sacred grove institution in the Western Ghats of India which has been nurtured by the local communities has been serving as ecological refugia for a range of species and habitat of the Western Ghats.

During the last two decades much has been written about the biodiversity richness of country. Avoiding all the numerical details about the documented species an attempt has been made to provide information about the relative forest systems of India. For classifying the vegetation the altitude has been adopted as vital factor in detailing the vegetation.

Most rivers and streams in urban India are dead or on the verge of collapse. With a very few and rare exceptions, these once-beautiful water bodied have been encroached upond, sources dried up or converted into sewage drains all over the country.

The cult of worshipping plants as a blessing from God on earth has its roots deep in the history of human civilization. Plants were considered as a solemn symbol that protected and defended man in various ways. Over the centuries, the world's first recorded conservation measures were enacted in India by emperor Ashoka.

Sacred groves are communally-protected forest fragments with significant religious connotations. These community lands attain significance due to biodiversity conservation and provide ecological services in

Conservation of Deo-rahati (sacred groves) in India has ancient roots from Vedic period. Even in modern days ethnic groups conserve religiously preserved forest patches through their customs, taboos and local festivals associated with the deities. Therefore, these forest pockets serve the vital function of conserving biological diversity and natural water streams.