LUCKNOW, Feb. 26 -- Amid concerns over future water availability due to a steep fall in groundwater level, the Lucknow Development Authority (LDA) has devised a 25-year plan for a shift to a surface water-dominated grid to strengthen drinking water supply across the state capital and adjoining districts in the State Capital Region by sourcing water from the Ghaghra river in Barabanki and the Ganga in Unnao, officials said. P3...