Mohammad Ahsan
In late 1942, Krishnan was posted as an instructor at "HMIS Bahadur", the Boys' training establishment at Karachi. After a short stint of about six months, he was selected to undergo the navigation course at HMS Dryad. While undergoing the course, he was awarded his DSC in a ceremony at the Buckingham Palace. He received the award from Queen Elizabeth The Queen Mother. Wing Commander Guy Gibson received his Distinguished Service Order and Lieutenant Syed Mohammad Ahsan received his DSC in the same ceremony.