This document discusses arboviral diseases prevalent in India, with a special emphasis on dengue. It provides information on different arboviruses including their distribution, transmission cycles involving vectors and reservoirs, and the diseases they cause in humans such as fever, encephalitis and hemorrhagic fever. It highlights that over 40 arboviruses have been detected in India, with more than 10 known to cause human disease. Dengue, Japanese encephalitis, and chikungunya are some of the major arboviral diseases discussed in further detail.