INDIAN HISTORY

Detailed explanation-1: -Sasanka: Sasanka was the leader of the Gauda Dynasty. This Gauda ruler was the principal sovereign leader of Bengal who had slaughtered the senior sibling of Harshavardhana, Rajyavardhana. Hence he was the contemporary of the Bengal King during the time of Harsha of Kannauj. Thus, option (D) is correct.

Detailed explanation-2: -Chalukya king, Pulakesin II was the ruler in south contemporary to king Harsha.

Detailed explanation-3: -Notes: Sasanka was the contemporary Bengal king during the time of Harsha of Kannauj. He created the first separate political entity in the Bengal region of the Indian subcontinent, called the Gauda Kingdom and is a major figure in Bengali history.

Detailed explanation-4: -Notes: Pulkeshin II was the contemporary of Harsha Vardhana and defeated him on the banks of river Narmada. Pulakesin II allied with Sasanka of Bengal and his feudatory Sainyabhitta-Madhava-Varman II of Kangoda, and with the kings of Valabhi and Bharuch. Along with all these, he was able to defeat Harsha in 637-638 AD.

Detailed explanation-5: -Detailed Solution. The correct answer is Harshacharita.