The correct answer is Option 3- Samudragupta
The Gupta ruler known as the "Napoleon of India" is Samudragupta. He was a great warrior and conqueror who expanded the Gupta Empire to its greatest extent. He is also known for his patronage of the arts and sciences, and for making his court a center of learning.
The other Gupta rulers listed are:
Vishnugupta: The founder of the Gupta Empire.
Skandagupta: The last great ruler of the Gupta Empire.
Chandragupta I: The father of Samudragupta. | 
