U.S. Secretary of State Hillary Clinton on Saturday said she expected to finalize a defense agreement essential to allowing U.S. companies to sell sophisticated arms to India. "We are working very hard to finalize a number of agreements. I am optimistic that we will get such agreements resolved and announced," Clinton told reporters in Mumbai in response to a question about the arms "end-user monitoring" pact required by U.S. law, according to a report of Reuters.