What were three groups of the states of the eighteenth century?

the states of the eighteenth century can be divided into three overlapping groups:

 (1) States that were old Mughal provinces like Awadh, Bengal and Hyderabad. Although extremely powerful and quite independent, the rulers of these states did not break their formal ties with the Mughal emperor.

(2) States that had enjoyed considerable independence under the Mughals as watan jagirs. These included several Rajput principalities.

(3) The last group included states under the control of Marathas, Sikhs and others like the Jats.