Step 1: Expand the abbreviation.
NABARD stands for National Bank for Agriculture and Rural Development, established in 1982 based on the recommendations of the Shivaraman Committee.
Step 2: Identify its primary mandate.
NABARD is the apex institution in India for financing agricultural and rural development. It provides refinance to banks lending for agriculture, small industries, cottage industries, handicrafts, and other rural activities.
Step 3: Dismiss incorrect options.
Industries, foreign trade, and tourism are not NABARD's primary areas; these fall under other financial institutions.
\[ \boxed{\text{Agricultural and Rural development}} \]