The design of the wicked minded (Duryodhana) was made kncwn by this spy to the high souled and greatly learned Vidura. Therefore that learned man was sent by Vidura and that person showed to the sons of Pritha a boat, as swift as mind or wind. With mechanism and flags, made by trusted artificers and capable of withstanding wind and waves. It was on the banks of the holy Bhagirathi.