Which Indian astrologer is known as 'Sarva Siddhanta Guru' due to explanation of Polish and Roman theories?

Which of the following ports was known as 'Barygaza' to Greek and Roman traders?

Consider the following dynasties of Ancient India: 1) Shunga 2) Maurya 3) Kushana 4) Kanva Which of the following is the correct chronological order of their rule?

Study and analysis of coins is known as

Sarga, Pratisarga, Vansa, Manvantara and Vanshanucharita are the indicators of

Nitisara (The Elements of Polity) which contains the earlier foundational root text of Kautilya's Arthashastra was written by whom?