Correct option is B
The correct answer is (b) Opening the largest number of bank accounts in one week.
In August 2014, the PMJDY opened 18,096,130 bank accounts in one week, which was recognized by the Guinness Book of World Records.
The Department of Financial Services, Government of India, has declared that the "Most bank accounts opened in one week as part of the Financial Inclusion Campaign is 18,096,130."