New Delhi : Delhi Police has found a big clue in Shraddha Walkar murder case. According to media reports, the Delhi Police has got hold of an audio, in which Shraddha and Aftab are heard quarreling with each other. Quoting police sources, it is being told in media reports that this audio of a quarrel could be of the time when Aftab would be torturing his girlfriend Shraddha. Now the police will investigate the voice of Aftab Poonawala, the main accused in this murder case, to check the veracity of this matter. On Monday, a CFSL team took him to the CBI headquarters to take a sample of Aftab’s voice. ,