The correct answer is: D. art of shawl making.
Phulkari is a traditional embroidery from the Punjab region of India and Pakistan. It is a form of counted thread work, and the designs are typically geometric or floral. Phulkari shawls are often worn by women, and they are also used as decorative items in homes.
Option A is incorrect because Phulkari is not a large part of villages of Haryana. It is a traditional embroidery from the Punjab region, which includes parts of both India and Pakistan.
Option B is incorrect because Phulkari is not the art of making clay pots. It is a form of embroidery.
Option C is incorrect because Phulkari is not the art of flowers on edifices. It is a form of embroidery that is typically used to decorate shawls.