What is the ₹7-crore question that KBC's youngest crorepati Mayank couldn't answer?

Class 8 boy Mayank has become the youngest crorepati contestant of 'Kaun Banega Crorepati'. For the ₹7 crore-question, the 14-year-old was asked, "Subedar NR Nikkam and Havildar Gajendra Singh were awarded the Order of the Red Star by Russia for conveying supplies to which city during WW-II?" The correct answer was Tabriz, while Sidon, Batumi and Almaty were other options.