While Mallya has refused to resign, citing 'certain contractual obligations' on part of USL's current owner Diageo to support his position, the UK-based parent is looking into the options available with it on whether to support the board resolution seeking his removal.
Sources said that an emergency shareholders meeting can be called by the company with a resolution to seek Mallya's eviction, if he continues to resist his ouster by the board.
Without fixing individual responsibility for the alleged lapses, USL board resolved it has "lost confidence" in Mallya and therefore it asked him to quit as Chairman and Director.
Besides, USL has also initiated a process to take action internally against other employees responsible for the alleged irregularities.
Those under scanner include some top executives who quit recently while some of former independent directors might be approached for details.
The alleged irregularities also relate to possible violations of the Companies Act, which may lead to the Corporate Affairs Ministry separately looking into the matter, while accounting regulator ICAI might also look into the roles of the current and previous auditors.
Diageo has acquired 54.78 per cent stake in USL for about USD 3 billion, making it the controlling stakeholders, while the UB group firms continue to hold nearly 3 per cent stake.
In the event of Diageo deciding to vote in support of Mallya's removal from USL board, it might also seek declassifying UB Group entities and Mallya (who personally holds 0.01 per cent stake in USL) as promoters.
The non-promoter shareholders own nearly 40 per cent stake in the company, out of which FIIs have more than 24 per cent holding. Besides, mutual funds have 4.13 per cent, while individuals own more than 6 per cent stake.
