Bihar Chief Minister Nitish Kumar has welcomed Supreme Court's decision allowing a CBI investigation in actor Sushant Singh Rajput death case.<br />'' <br />''Mr. Kumar said, there is no further scope of argument as the the top court has now given its verdict in the matter.<br />'' <br />''<span style="color: #222222;">He expressed hope that justice will be ensured in the case and proper investigation will be carried out by the CBI at the earliest.</span><br />