Contents: 1. Introduction. 1. Materials and methods. 3. A checklist of the spider species of Darjeeling hills. 4. Common and taxonomic names of the spider families of Darjeeling hills. 5. Key to the spider families of Darjeeling hills. 6. Taxonomic descriptions of the spiders of Darjeeling hill. 7. Taxonomic status and numerical biodiversity of spiders in Darjeeling hills. 8. Species richness of spiders in Darjeeling hills. 9. Comparative distribution of spiders of Darjeeling hills. 10. Diversity of spider families genera and species in Darjeeling hills. 11. Taxonomy and diversities of clubionid spiders from Darjeeling hills. 12. Spider endemicity in Darjeeling hills. 13. Rearranged status of the spider taxa of Darjeeling hills. 14. Discussion. 15. Conclutionary remarks. 16. Acknowledgements. 17. Bibliography. 18. Legend of the photographs. 19. Plates containing photographs on different collection sites (18 photos), collection (4 photos) and external views of some spider species (92 photos) studied in Darjeeling hills. Annexures.