Which of the following king defeated Selucus Nikator when the latter invaded India?

Chandragupta Maurya

The correct answer is Option 1- Chandragupta Maurya

Chandragupta Maurya defeated Seleucus Nicator when the latter invaded India.

Seleucus Nicator was a general of Alexander the Great, and he founded the Seleucid Empire after Alexander's death. In 305 BC, Seleucus invaded India in an attempt to expand his empire. However, he was defeated by Chandragupta Maurya, the founder of the Mauryan Empire.

The details of the war between Chandragupta Maurya and Seleucus Nicator are not well known, but it is clear that Chandragupta was victorious. Seleucus was forced to cede control of several provinces in northwestern India to the Mauryan Empire.

The defeat of Seleucus Nicator by Chandragupta Maurya was a significant event in Indian history. It marked the end of Greek rule in India, and it established the Mauryan Empire as the dominant power in the region.