This document contains the full judgment from the High Court of Delhi in the case of CBI versus M/S Bhushan Power and Steel Limited & Ors. The core issue revolves around whether a police officer below the rank of Inspector can assist in an investigation, specifically concerning Section 17 of the Prevention of Corruption Act, 1988. The judgment discusses previous case law and ultimately allows the petition, permitting assistance under certain conditions. This is essential reading for legal practitioners and those involved in high-profile financial crime investigations.