ISLAMABAD: Oct 11 (INP): Justice (retd) Javed Iqbal who officially assumed charge as the chairman of the National Accountability Bureau (NAB) on Wednesday said that all major cases before the Bureau would be taken to logical conclusion. Justice (r) Javed Iqbal held an informal talk with media outside the Parliament House when he reached there to appear before Senate Standing Committee on Human Rights, and hoped that all the matters will be smoothly done. He affirmed to wind up all big cases and to not delay any proceedings. It is not new for me to face challenges, he commented. INP/AH