Question

name any four big power which dominated the mediaeval history of India

Answer 1

Heres one: the mediaeval army of tojo, the japaniese army

Answer 2

The end may be pushed back to the 18th century, making the period in effect that between the start of Muslim domination (at least in northern India) and British India. Or the "early medieval" period is begun in the 8th century, ending with the 11th.