Acharya, who headed the mid-corporate group for the bank, was alleged to have facilitated the sanction of a loan against some favours.
Facing a battle of prestige in the June 12 bypolls, ruling Congress appears to be going all out to take credit for various welfare schemes launched by late YS Rajasekhara Reddy, while distancing itself from the graft allegations linked to his tenure as chief minister.
Bharatiya Janata Party (BJP) has demanded the resignation of Delhi's chief minister in connection with graft allegations in the 2010 Commonwealth Games, in another attack on the government struggling to push reforms in parliament.