Indian Overseas Bank
Indian Overseas Bank (IOB) Tamil (இந்தியன் ஓவர்ஸிஸ் வங்கி) is a major public sector bank based in Chennai (Madras), with about 3700 domestic branches, including 1150 branches in Tamil Nadu, 3 extension counters, and eight branches and offices overseas as of 30 September 2014. Indian Overseas Bank has an ISO certified in-house Information Technology department, which has developed the software that its branches use to provide online banking to customers; the bank has achieved 100% networking status as well as 100% CBS status for its branches. IOB also has a network of about 3300 ATMs all over India.