Ancient and Medieval Indian Rulers

Harshavardhan moved his capital from Thaneshwar to Kannauj to better manage his expanding empire in Northern India.

Bimbisara was an important early king of Magadha and the founder of the Hariyanka dynasty, significantly expanding his kingdom through matrimonial alliances and conquests.

Emperor Ashoka is famous for his extensive use of rock and pillar edicts to propagate his policy of Dhamma throughout his empire.

Ashoka's inscriptions in the Kharoshti script were primarily found in the northwestern regions of his empire, specifically at Shahbazgarhi and Mansehra, but Qandahar is also a site where his bilingual (Greek and Aramaic) inscriptions were found.

The Chalukyas were associated with Badami, Vengi, and Kalyani. Kanchi was the capital of their rivals, the Pallavas.

Chanakya (also known as Kautilya) was the mentor and strategist who helped Chandragupta Maurya overthrow the Nanda dynasty and establish the Mauryan Empire.

Greek historians referred to Chandragupta Maurya as Sandrocottus or Androcottus in their accounts of the Indian subcontinent.

Option (4) is correct.

Aryabhatta, the great Indian mathematician and astronomer, lived during the Gupta period. He is widely believed to have flourished during the reign of Chandragupta II, also known as Chandragupta Vikramaditya.

In ancient times, the region of Bengal was historically referred to as Gauda or Vanga.

Tipu Sultan, known as the Tiger of Mysore, was the ruler of the Kingdom of Mysore in southern India.

The Satavahana dynasty emerged in the 1st century BCE, predating the rise of the Guptas (3rd century CE), Palas (8th century CE), and the later Cholas.

The famous Buddhist Stupa at Sanchi in Madhya Pradesh was originally commissioned and built by the Mauryan emperor Ashoka the Great in the 3rd century BCE.

 Arthashastra is not one of those works.