    Sentence I: Why is the sign on néw-Rs 2000  ‘and -500 notes that of Urjit Patel-and not of  Raghuram Rajan?    Sentence 2: Wheri Rs 2000. notes printing  was started in August-September, how, could  Mr. Urgit Patel sign oni it? He was in the RBI  government since Gth’of August 2016.    