Evaluate the veracity of the following assertions regarding Shivaji Maharaj’s administrative strategies and the subsequent developments in the Maratha polity:

(a) Shivaji instituted an organized administration in his realm, Swarajya, patterned after the bureaucratic structures of the Deccan Sultanates, while maintaining relatively moderate fiscal policies.

(b) Following Shivaji's demise, his death precipitated a brief decline in the Maratha state, marked by the capture and execution of his son Sambhaji by Mughal emperor Aurangzeb.

(c) Maratha chieftains significantly expanded their resources through the rigorous imposition of Chauth, with territories refusing compliance subject to systematic plundering.

(d) After Shivaji’s progeny, the widow Tarabai ultimately recognized Mughal suzerainty, marking a significant political shift in Maratha resistance.

Identify the accurate assertions using the codes provided below: