Q. When was Dhanbad district formed?
Answer: 1956
Notes: Dhanbad district was formed in 1956 by carving out areas from the Manbhum district. It was officially declared a district on 24 October 1956. Initially, it spanned 43 miles north-south and 47 miles east-west. Dhanbad became a police district in 1928. In 1991, the Chas subdivision was transferred to form Bokaro district, reducing Dhanbad's area to approximately 2995 sq km. Official government and census records confirm its formation year as 1956.