He said cleaning up of the bad loan problems is the first priority and after that the PSU banks could be consolidated.
"There are something like 21-22 public sector banks.. The numbers will be reduced in terms of consolidation, but somewhere to the 10-15 range. We are not going to take it too far down...We need to consolidate some of these large number of banks, but be clear that we are not going to reduce these down to some people think like 4-5 national champions.
He said consolidation of banks is longer term commercial decisions, whereas recapitalisation of PSBs is "more an urgent issue" in order to get the banking system running again.
Adding to inefficient banks does not lead to a bigger efficient bank. So, this cleaning up of the bad loans problem is the first priority, he said.
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"Now, the second step consequently is recapitalisation and getting these banks running again... that will be done in next few months. The government is fully aware that we need a much larger banking system by factors of multiple than what it is today," Sanyal said, adding India's banking system is way too small for future and needs to be expanded significantly.
Recapitalisation bonds is one of the options for infusing capital into banks, he said, adding that the government could also dilute its stake in some lenders to 52 per cent.
In the last consolidation drive, five associate banks and Bharatiya Mahila Bank (BMB) became part of State Bank of India (SBI) on April 1, 2017, catapulting the countrys largest lender to among the top 50 banks in the world.
State Bank of Bikaner and Jaipur (SBBJ), State Bank of Hyderabad (SBH), State Bank of Mysore (SBM), State Bank of Patiala (SBP) and State Bank of Travancore (SBT), besides BMB, were merged with SBI.
While deciding on the consolidation, the ministry would keep in mind factors like regional balance, geographical reach, financial burden and smooth human resource transition. Also a very weak bank would not be merged with a strong one "as it could pull the latter down".
Sanyal further said the government is moving from "rent- seeking patronage-based economy" to "rule-based, entrepreneur based economy".
"When you introduce radical changes like this (demonetisation and GST), you have to expect unintended consequences. So, it was a huge political step to step into the water and then learn to swim," he added.