Top 5 Greatest Kings in Indian History...

Maharana Pratap:

He was a Hindu Rajput ruler of Mewar, a region in north-western India in the present day state of Rajasthan. Known for his gallantry and magnanimity, Maharana Pratap opposed the Mughals, particularly Emperor Akbar. Chittor was conquered by the Mughals; Maharana Pratap won back most of his territory except his cherished Chittor. He had pledged to sleep on the floor and live in a hut until he won Chittor back from the Mughals which unfortunately he never accomplished in his life time.

Ashoka:

Ashoka is also known as Samraat Chakravartin. He belonged to the Maurya Dynasty and ruled from ca. 269 BCE to 232 BCE. He reigned over most of the Indian subcontinent from the modern Iranian provinces of Khorasan, Sistan and Balochistan (unpartitioned), through the Hindukush Mountains in Afghanistan, to the Indian state of Assam in the east, and as far south as northern Kerala and Andhra Pradesh. He is attributed to the global spread of Buddhism and the emblem of modern India is derived from the Lion Capital of Ashoka.
 

Chandragupta Maurya:

Chandragupta Maurya was the founder of the Mauryan Empire and believed to be the first Emperor to have united India into one state. The Mauryan Empire under Chandragupta Maurya was the largest empire in Indian history up until that time. With his chief advisor Chanakya, he built a strong central administration and economy. He is undoubtedly one of the greatest rulers in Indian history known to have conquered Alexander the Great’s easternmost satrapies.

Prithviraj Chauhan:

Prithvi Raj III was a king of the Hindu Chauhan dynasty. He ruled the kingdom of Ajmer and Delhi after succeeding to the throne at the young age of 20 and ruled much of present-day Rajasthan and Haryana. His elopement with the daughter of Jai Chandra Rathod of Kannauj, Samyukta , is a popular romantic tale of Indian history. But he is more importantly remember for having defeated Muhammad Ghori in the First Battle of Tarain in 1191 and later killing him during an archery show when blinded and imprisoned by the latter in 1192.

Shivaji:

Shivaji Bhosale was the founder and the greatest king of the Maratha Empire. Hailing from the Bhosle Maratha clan, he created an independent Maratha kingdom with Raigad as its capital. He was crowned as Chhatrapati for leading the struggle against the Adilshahi sultanate of Bijapur and the Mughal Empire. He is remembered as a great warrior and a hero who united most of India against the Mughals. Shivaji is also known for pioneering the guerilla warfare methods using geography, speed, and surprise for attacks against more powerful and larger enemies.