It has divided banks in seven pools and a large bank has been appointed as coordinator for each group, to improve internal policies and procedures.
A letter sent by the ministry on this subject has fuelled fears of consolidation among unions of some small banks.
The ministry has tried to allay the apprehensions, saying any move towards merger of banks would have to come from banks' themselves, and the government would not force them into consolidation.
"Some banks had come to us seeking clarification.
"This is not a step towards consolidation.
"We just want them to share experiences with each other.
"Currently, they are working as isolated islands. Why should PSBs, with about 80 per cent market share, lag on so many issues?" said a ministry official.
The banks have been asked to continuously interact and work collectively on issues such as human resources, e-governance, internal audit, fraud detection and protection, recovery, asset-liability mismatch and business process re-engineering.
"They (the finance ministry) want some kind of standardisation in the processes of banks.
"We can use our collective wisdom and understand best practices from each other,' said the head of a state-run
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