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A Prime minister is the ruler of Canada. In the United States you have the President, here in Canada it is a Prime minister.
Chanakya (c. 350-283 BC) was an adviser and prime minister to the first Maurya Emperor Chandragupta (c. 340-293 BC), and architect of his rise to power. Kautilya and Vishnugupta are traditionally identified with Chanakya.
Prime Minister as Executive
Krishnadeva Raya
Ashubulti Fracendiba was the prime minister he was also known as the RULER
it is ruled by the queen and a prime minister
there is no chief ministers for India. it is prime minister or president. chief minister is the ruler (not monarchy) of the states in India.
John Keys is the current Prime Minister, so he is probably counted as a ruler.
Canada is led by a Prime Minister, with a Queen or King as Head of State, but there is not really a ruler of Canada.
The wife of a ruler is called the first lady.
Kautilya was the chief adviser to the Emperor Chandra Gupta. Historians give him credit for much of the emperor's success. Kautilya served as an adviser, teacher and minister. He was born in 350 BC.
There was no such office in ancient Rome. The closest thing to a prime minister that Augustus had was Marcus Agrippa, who was virtually his co-ruler.