Correct Answer: (a) Gopalganj
Note: In 2011, Gopalganj had population of 2,562,012 of which male and female were 1,267,666 and 1,294,346 respectively.
In 2001 census, Gopalganj had a population of 2,152,638 of which were 1,075,710 and remaining 1,076,928 were females.