The ED had been quizzing DK Shivakumar since last five days over his alleged involvement in money laundering case and he was formally arrested at around 8:40 PM on Tuesday, 3rd September.
Sensational details have emerged related to the tax probe carried out by the Income Tax department against Siddhartha, the same investigation that he had dubbed as 'harassment' in his letter to the board dated July 27.
As per the transcript of an audio conversation, the OSD was allegedly asked to build pressure upon the mining and transport department who, according to Nath, were helping the BJP win elections from Katni.