The correct option is B 15 days
MNREGA 2005 is a law which is implemented by the Government of India in 200 districts of the country. It is referred to as 'Right to Work' because it guarantees 100 days of employment in a year by the government to all those who are able to work and in case of failure unemployment allowances will be given. The job card under the MNRGA is provided within 15 days.