Section 154 of The Indian Evidence Act, 1872
154. Question by party to his own witness.—1[
(1) ] The Court may, in its discretion, permit the person who calls a witness to put any question to him which might be put in cross-examination by the adverse party.—1[(1)] The Court may, in its discretion, permit the person who calls a witness to put any question to him which might be put in cross-examination by the adverse party.” 2[(2) Nothing in this section shall disentitle the person so permitted under sub-section (1), to rely on any part of the evidence of such witness.