As per the announcement made by West Bengal CM Mamta Banerjee, which district became the first Open Defecation Free (ODF) district in the country?

a. Hooghly

b. Burdwan

c. Nadia

d. Bardhaman

ANSWER: Nadia

Explanation:

UNICEF India representative David Mcloughlin congratulated the people of the district for achieving the goal.