On the back of cement prices rising across regions, Heidelberg Cement has seen a year-on-year growth in realisations. The cement major which saw a decent recovery in demand in the preceding quarter might see the trend continue. The company has witnessed margin improvement due to improved realisations which currently stand at Rs 300/bag.Heidelberg Cement India, a subsidiary company of Heidelberg Cements which is one of the leading cement producers in the world, recorded a jump of 308 per cent in its operating profit for the preceding quarter despite higher raw material, power and fuel cost.