Harshvardhana, the last great Hindu king of Northern India ruled in the-----
A. 2nd Century A.D.
B. 4th Century A.D.
C.7th Century A.D.
D.10th century A.D.

Hint: Ruler Harshavardhana was otherwise called Harsha. He was the child of Prabhakar Vardhana, the author of the Pushyabhuti Dynasty or the Vardhana Dynasty.

Complete answer:
Harshavardhana is considered as quite possibly the most noticeable Indian ruler in the seventh century AD. He assembled a gigantic realm that stretched out from the north and northwestern India until the Narmada in the South. His capital was Kannauj. His changes and approaches were liberal and were constantly pointed toward boosting the harmony and success of his people. He had a place with the Pushyabhuti additionally called the Vardhana administration. He was a Hindu who later grasped Mahayana Buddhism. Harsha had a sister, Rajyashri who was hitched to ruler Grahavarman of Kannauj. Sasanka, the Gauda lord slaughtered Grahavarman and kept Rajyashri detained. This incited Rajyavardhana to battle against Sasanka. This drove the 16-year old Harshavardhana to climb the seat of Thanesar in 606 AD. Nevertheless, Harsha's arrangements to overcome grounds toward the south were hampered when the Chalukya ruler, Pulakesin II crushed Harsha in 618-619 A.D. This fixed Harsha's southern regional breaking point as the Narmada River.1/fourth of all the expenses gathered was utilized for a noble cause and social purposes.
So, the correct answer is option C.

Note: Hiuen Tsang visited India during Harsha's rule. He has given a truly positive record of lord Harsha and his realm. He adulates his liberality and equity. He is credited with the Sanskrit works Ratnavali, Priyadarshika, and Nagananda. Banabhatta was his court artist and he made the Harshacharita which gives a record of Harsha's life and deeds. Harsha liberally upheld Nalanda University.