Explanation: Trigarta:

• In the olden days, Punjab was known as Trigarta.
• It was a kingdom as mentioned in the ancient scripture Mahabharata.
• Mahabharata talks about two different Trigarta kingdoms–one towards the west near the Sivi Kingdom and the second north to the Kuru Kingdom.
• Trigarta is the territory surrounding Satluj, Beas, and Ravi rivers.
• It is believed that the Trigarta kings were allies of the antagonist Duryodhana.
• They had attacked the Virata kingdom when the Pandavas were living there in anonymity.

Source: ForumIAS