From a plain reading of sub-section (2) and sub-section (8) of Section 173, it is evident that even after submission of police report under sub-section (2) on completion of investigation, the police has a right to “further” investigation under sub-section (8) of Section 173 but not “fresh investigation” or “reinvestigation”.
The meaning of “Further” is additional; more; or supplemental. “Further” investigation, therefore, is the continuation of the earlier investigation and not a fresh investigation or reinvestigation to be started ab initio wiping out the earlier investigation altogether. Sub- section (8) of Section 173 clearly envisages that on completion of further investigation, the investigating agency has to forward to the Magistrate a “further” report and not fresh report regarding the “further” evidence obtained during such investigation[AIR 2009 SC 2308 ]
As observed in Hasanbhai Valibhai Qureshi vs. State of Gujarat and Others, (2004) 5 SCC 347, the prime consideration for further investigation is to arrive at the truth and do real and substantial justice. The hands of investigating agency for further investigation should not be tied down on the ground of mere delay. In other words, the mere fact that there may be further delay in concluding the trial should not stand in the way of further investigation if that would help the court in arriving at the truth and do real and substantial as well as effective justice.