Tulsidas composed his Ramacharitamanas during the reign of Akbar.
Harsha was an Indian emperor who ruled from 606 to 647 CE. He was a patron of the arts and literature, and is considered to be one of the greatest rulers in Indian history. However, he did not rule during the time of Tulsidas.
Alauddin Khalji was an Indian sultan who ruled from 1296 to 1316 CE. He was a powerful and ruthless ruler, who expanded the Delhi Sultanate. However, he did not rule during the time of Tulsidas.
Akbar was an Indian emperor who ruled from 1556 to 1605 CE. He was a tolerant and progressive ruler, who is considered to be one of the greatest rulers in Indian history. Tulsidas composed his Ramacharitamanas during his reign.
Krishnadeva Raya was an Indian king who ruled from 1509 to 1529 CE. He was a powerful and successful ruler, who expanded the Vijayanagara Empire. However, he did not rule during the time of Tulsidas.