Expert favours blending of flyash with cement
India is still in the "dark ages' in concrete technology and lacked trained and well-equipped technical manpower to give practical shape to the Rs 70,000 crore initiative taken by the Vajpayee
India is still in the "dark ages' in concrete technology and lacked trained and well-equipped technical manpower to give practical shape to the Rs 70,000 crore initiative taken by the Vajpayee