Vested with jurisdiction to re-examine any witness

Object and scope of summoning a person as witness was discussed. Provision of S.540, Cr.P.C. is divided into two parts first is discretionary in nature, whereas the second is mandatory. Solitary purpose of judicial proceedings in criminal cases is to find out truth and to arrive at a correct calculation and to see that no innocent person is punished. If it appears essential to Court that evidence is necessary for just decision of case, Trial Court is vested with jurisdiction to re-examine any witness and the only requirement is that his/her examination should be essential for the just decision of the case.