National Anti-Doping Agency (NADA) will today pronounce its final verdict on dope-tainted wrestler Narsingh Yadav. The hearing before NADA concluded on Saturday after a marathon eight hours. NADA Director General Navin Agarwal said, there is delay in declaring the verdict as a lot of documents needed to be studied and the arguments were lengthy. Ahead of the Rio Olympics, Narsingh was tested positive for a banned substance following which he cried foul claiming that the entire episode was a conspiracy against him. The grappler's hopes of competing at the Games faded further after he failed a second dope test on Wednesday. Parveen Rana was named Narsingh's replacement for the Games. Rio Olympics begin on Friday.