Fears cost of water and beer to soar as India's scorching summer hits Getty Images Access to potable water remains a challenge in India, pushing people to drink bottled water Indians are bracing for summer, with temperatures expected to cross 45C in some parts of the country. But the war with Iran is already putting India's $6bn bottled water industry under strain as manufacturers struggle to access crucial raw materials. Last month, market leader Bisleri increased prices by 11% , making a box of 12 one-litre bottles costlier by 24 rupees ($0.26; £0.20). Brands like Bailley and Clear Premium Water have also increased their prices, Reuters news agency reported. According to a study by Data for India, about 15% of urban households and 6% of rural households depend on bottled water for their drinking needs. Relying on bottled water is expensive, especially for people in rural areas.…