From which of the following months did the Mauryan fiscal year use to begin?

Q. From which of the following months did the Mauryan fiscal year use to begin?
(a) Phalgun (March)
(b) Asadha (July)
(c) Jyestha (June)
(d) Pausa-Magha (January-February)
Ans: (b) Asadha (July)