Why did romans not
attack india

 Because India was  far away from the Roman political heartland that projecting power there would have been virtually impossible for the Romans who were a pre-industrial empire.

Explanation:

can you give me more details?

explanation:

yes based on alexanders actions he deserved the title of "the great". his empire covered about 3,000 miles and he was able to establish the empire over a 13 year period of time. he was able to conquer many different places. he also defeated the persians. he conquered egypt and developed a city and named it after himself.