KBC 2021| If you put 400 001 as the pin code on a letter, then which city is the final destination of the letter? By Monishka Kapoor - December 10, 2021 KBC 2021, Find out the correct answer of the question- If you put 400 001 as the pin code on a letter, then which city is the final destination of the letter? •Delhi •Chandigarh •Pune •Mumbai Correct answer is Mumbai