I want to know whether South Indian Bank is a public sector bank or a private sector bank?

South Indian Bank is a private sector bank of India.
It’s headquarter is located in Thrissur, Kerala, India. It was established in 1929.
It is one of the earliest banks of South India.

It was established to offer for the people a safe, efficient and service oriented repository of savings of the community on one hand and to free the business community from the grasp of greedy money lenders on the other by providing need based credit at reasonable rates of interest.

Its products include:
Loans
Savings
Investment vehicles
Insurance


Some milestones of South Indian Bank:

FIRST amongst the private sector banks in Kerala to turn into a scheduled bank in 1946 under the RBI Act
FIRST bank in the private sector in India to initiate a Currency Chest on behalf of the RBI in April 1992
FIRST private sector bank to initiate a NRI branch in November 1992
FIRST bank in the private sector to start an Industrial Finance Branch in March 1993
FIRST between the private sector banks in Kerala to open an "Overseas Branch" to provide exclusively to the export and import business in June 1993
FIRST bank in Kerala to grow an in-house, a fully integrated branch automation software in addition to the in-house partial automation solution operational since 1992
FIRST Kerala based bank to implement Core Banking System
THIRD largest branch network among Private Sector banks, in India, with all its branches under Core banking System