What is the relationship between Bandhan Bank and Finance in the context of the input sentence. Choose an answer from: product/material produced; manufacturer; distributed by; industry; position held; original broadcaster; owned by; founded by; distribution format; headquarters location; stock exchange; currency; parent organization; chief executive officer; director/manager; owner of; operator; member of; employer; chairperson; platform; subsidiary; legal form; publisher; developer; brand; business division; location of formation; creator.

On August 23, when Union Finance Minister Arun Jaitley flags off the operations of 500 branches of Bandhan Bank on Sunday, it will be yet another milestone.

Answer: industry