Roshni - a green innovative concept to create sustainable urban habitats, evolved at the behest of the President, Ms Pratibha Patil - is likely to be replicated in the country by some of the well know real estate developers. Roshni was launched in 2008 in the President\'s estate with a motive to make the 330 acres of the campus a green energy-efficient and zero waste model township. The Rashtrapati Bhavan held a one-day seminar on "Universalisation of Roshni" to take the initiative to people. Roshni focuses on conserving water and energy, use of new and renewable energy sources, improving solid waste management, control air and noise pollution, to enhance green cover and conserve biodiversity.