Toughest finance task in Asia keeps Yes Bank CEO awake at night Later at night of March 5, Prashant Kumar took an call that is unexpected their employer at State Bank of Asia. He had been provided the work of rescuing the country’s most distressed private-sector bank, and — if he accepted — told to report for work on 8 a.m. The following early morning. “The very first thing that came to my brain had been where had been the…