Q. The “Cheras” – ancient kingdom was located at which of the following?

[A] Tamil Nadu

[B] Kerala

[C] West Bengal

[D] Assam

Answer: B

Explanation: Though the Kerala region seems to have been under the rule of the Chera Perumals during the period from sixth to ninth century little is known about its history until the beginning of the ninth century.

Source: Tamil Nadu NCERT