NIA chargesheet details Red Fort blast accused Umar-un-Nabi's unusual urine storage. He stored urine in a polythene bag while hiding in Nuh. This detail emerged after a foul smell prompted a house owner's complaint. The agency found PDF material on his pen drives detailing urea nitrate explosive preparation. This revived Ansar Ghazwat-ul-Hind module was allegedly led by Nabi.