The Information Technology (IT) industry has played a major role in India’s recent economic growth. However, the pattern of growth and cluster formation is not uniform across the country. While Bangalore emerged as a natural cluster, the governments in Hyderabad and Kolkata had to demonstrate entrepreneurial leadership qualities to create clusters there. This paper identifies the factors that c...

Varying proportions of binary mixtures of aqueous extracts of jackfruit wood (JFW) with other natural dyes like manjistha (MJ), red sandalwood (RSW), marigold (MG), sappan wood (SW) and babool (BL) were used by the scientists at Institute of Jute Technology, Kolkata and Department of Chemical Engineering, Jadavpur University, Kolkata, India to dye bleached cotton fabric premordanted with 20% my...

Malaria and other mosquito borne diseases are common in Kolkata, India. Among the 34 species of mosquitoes recorded from Kolkata, 13 are anophelines, of that Anopheles annularis Van der Wulp, An. culicifacies Giles, and An. stephensi Liston are established vectors of malaria1–3. The abundance of these vector mosquitoes varies with the season and available habitats2–4. Mobility of human hosts be...