Director General of the Central Directorate of National Savings (CDNS) Zafar M. Sheikh said on Friday that the investment portfolio in the national saving schemes has doubled to Rs 2,000 billion during last four years. Talking to reporters after launching new prize bonds of Rs 25,000 denomination, he said that the saving target of Rs187 billion set for the current fiscal year would be achieved as already 97 per cent target has been met till January 2012. “So far investments have reached to Rs 104 billion,” he added. He said the new prize bond was launched to plug the gap between Rs 15,000 and Rs 40,000 prize bonds. The new bond is estimated to attract an investment of Rs 4 billion to Rs 8 billion during the current fiscal year. It will also help in reducing the currency circulation. The total investment in different denomination of bonds is Rs 294 billion.