Premise: For nearly 300 years, Islamic conquest in India was confined to this trading community in Sind, but in the tenth century, tribesmen from Turkistan, driven west by Chinese expansion, set up a state at Ghazni and began raids across the border to plunder Hindu temples.

Hypothesis: Islamic conquest in India never took off, failing spectacularly in the tribesmen's defeat at Ghazni.
Relation: contradiction