Explanation: Four northern kings were conquered mainly in the area around Delhi and western Uttar Pradesh.

• The kings of the south and the east were forced to pay homage, and from the places mentioned, it appears that Samudragupta campaigned down the eastern coast as far as Kanchipuram.
• The relationship with Kushanas is not certain, but regarding Lanka, its ruler Meghavarman sent presents and requested permission from Samudragupta to build a Buddhist monastery at Gaya.

Source: Tamil Nadu NCERT