KBC 2021| If you put 400 001 as the pin code on letter, then which city is the final destination of the letter? By Monishka Kapoor - December 13, 2021 KBC 2021, Find out the correct answer of the question- If you put 400 001 as the pin code on letter, then which city is the final destination of the letter? A. Delhi B. Mumbai C. Chennai D. Kolkata Answer: Mumbai