Mumbai, May 29: Reserve Bank of India will today conduct an open market operation (OMO) auction of 6.72 per cent government of India stock, 2014, upto Rs 5,500 crore. The auction would be conducted using the multiple price method, a release said here today. On the basis of the tenders received, the central bank would determine the minimum price upto which tenders would be accepted, it added. Bureau Report