What is the practice of pilgrimage to the tomb-shrine of the shaikh, particularly on his death anniversary or urs called?

Ziyarat

The correct answer is Option 2 - Ziyarat

When the shaikh died, his tomb shrine (dargah, a Persian term meaning court) became the center of devotion for his followers. This encouraged the practice of pilgrimage or ziyarat to his grave, particularly on his death anniversary or urs.

The word used for Sufism in Islamic texts is tasawwuf.

Jizya was the tax paid by Zimmi.

Tazkiras are biographical accounts of saints (Sufi texts).