Explanation:

- The National Food for Work Programme (NFWP) was launched by the Indian government to address issues related to food security and employment.

- Its primary objective was to provide supplementary wage employment and ensure food security in the most backward districts of India.

- Option 1: 2002 - This year does not correspond with the launch of the NFWP.

- Option 2: 1991 - This year was marked by significant economic reforms in India but not the launch of NFWP.

- Option 3: 2004 - Correct Answer. The National Food for Work Programme was launched on November 14, 2004, focusing on creating employment through the provision of food.

- Option 4: 2000 - While other initiatives may have been introduced around this time, it is not the correct year for NFWP.

Correct Answer: Option 3: 2004