The Arthashastra, written by Kautilya, is an ancient Indian treatise on statecraft, economics, and military strategy. It is considered the primary source of information on warfare in ancient India.

The spear was the primary weapon used by ancient Indian infantry. It was a long, pointed weapon that could be used for both thrusting and throwing.

The Maurya Empire, under the leadership of Chandragupta Maurya, was known for its use of chariots in warfare. Chariots were used to transport troops and supplies, and they were also used in battle to attack enemy formations.

The Yudhachakra was an ancient Indian military formation that was used to counter cavalry charges. It was a circular formation with infantry in the center and cavalry on the outside.

Chandragupta Maurya is credited with developing the vyuha system of warfare, which was a complex system of military formations and tactics.

The Makarakuta was an ancient Indian military formation that was used to attack enemy fortifications. It was a wedge-shaped formation with infantry in the center and cavalry on the flanks.

The Chalukya Empire, under the leadership of Pulakeshin II, was known for its use of elephants in warfare. Elephants were used to transport troops and supplies, and they were also used in battle to attack enemy formations.

The Kurma was an ancient Indian military formation that was used to defend against cavalry charges. It was a square formation with infantry in the center and cavalry on the flanks.

Chandragupta Maurya is credited with defeating Alexander the Great in battle at the Battle of the Hydaspes River in 326 BC.

The Shalabhanjika was an ancient Indian military formation that was used to attack enemy flanks. It was a crescent-shaped formation with infantry in the center and cavalry on the flanks.

The Chola Empire, under the leadership of Rajendra Chola I, was known for its use of naval warfare. The Cholas had a powerful navy that was used to raid and conquer coastal areas.

The Garuda was an ancient Indian military formation that was used to attack enemy rear. It was a V-shaped formation with infantry in the center and cavalry on the flanks.

Vikramaditya is credited with defeating the Shakas in battle at the Battle of Ujjain in 58 BC.

The Makarakuta was an ancient Indian military formation that was used to attack enemy center. It was a wedge-shaped formation with infantry in the center and cavalry on the flanks.