The correct options are
A Former provinces of the Mughal empire.
B States which had already enjoyed a large amount of freedom under the Mughals.
C States established by the Jats, Marathas and the Sikhs.
Provinces like Awadh, Bengal and Hyderabad became independent states. They were provinces under the Mughals. Rajputs had their watan jagirs already. They had lots of freedom under the Mughal emperors. Once the empire declined they ruled independently. New states emerged under the Marathas, Sikhs and the Jats. They gained their freedom after fighting the Mughals.