According to reports, the list of misdemeanours investigated includes excise duty violations, invoicing problems and handing over distribution in some key markets to relatives of the top brass.
This comes in the wake of allegations of financial irregularities by the erstwhile management led by Harish Moolchandani.
Ever since Diageo struck a deal to buy controlling stake in United Spirits Ltd, the two companies have pulled all stops to ensure the "dream combination" gets all the regulatory clearances.