(i) Petrochemicals are those chemicals and compounds which are derived from resources of petroleum and these chemicals are used for manufacturing a large variety of articles such as synthetic fibres, synthetic rubber, plastics, dyestuffs, drugs, and pharmaceuticals. (ii) The slow growth of international tourism in India is mainly because of its underdeveloped infrastructure of highways, railways ports, civil aviation, telecommunications. Inadequacies of infrastructural facilities adversely affect tourism.