Analysis of information sources in references of the Wikipedia article "सेल्युकस-चंद्रगुप्त युद्ध" in Hindi language version.
Chandragupta and his successors devoted much of their wealth to building military power. At the height of the Mauryan empire, ts army was counted at 600,000 infantry, 30,000 cavalry, 9,000 war elephants, and 8,000 chariots.सीएस1 रखरखाव: अन्य (link)
The Mauryan war-machine was therefore perfected in every respect. The military might consisted of troops of different kinds, namely hereditary or feudatory troops, hired troops, gild levies, and forest tribes. They were fully and efficiently equipped. The regular military establishment consisted of 600,000 infantry, 30,000 horsemen, 36,000 men with 9,000 elephants, and 24,000 men with nearly 8,000 chariots. Thus there were 6,90,000 fighting men in addition to followers and attendants.
Certain areas in the north-west were acquired through the treaty with Seleucus... It has been suggested that the territory ceded consisted of Gedrosia, Arachosia, Aria, and the Paropamisadae.
In 305 B.C.E. the two men concluded a treaty in which the Greeks withdrew from the Punjab in northwestern India and which fixed the western boundary of the Mauryan Empire to the crest of the Hindu Kush.
Arrian has pointed out, each chariot carried two soldiers, besides the driver, and an elephant carried three archers, besides the Mahout, then the total number of men in Chandragupta’s army would be 6,00,000 infantry, 30,000 horse-men, 36,000 men with the elephants, and 24,000 men with the chariots, totalling 6,90,000 in all, excluding followers and attendants.
The Maurya raised the number of the infantry to 600,000, and of the elephants to 9,000. But his cavalry is said to have mustered only 30,000..... Each chariot required at least three, and that each elephant carried at least four men, his total force must have amounted to not less than 690,000, or in round numbers 700,000 men.
In ancient India there was a highly organised system of military administration. The state maintained a powerful standing army, and it was well looked after. Chandra Gupta Maurya had a huge force consisting of six lakhs infantary, 30,000 cavalry, 9,000 elephants, and 8,000 chariots. The total strength of his army was 6,90,000 men, excluding camp followers and attendants.
To perform both these functions, the imperial army was magnificently equipped. At its height, it numbered 700,000 men, with 9,000 elephants and 10,000 chariots.
With a large standing army of 700,000 men and 9000 elephants, and a secret police to maintain order. Maurya’s son, Bindusara (297-273 B.C.), added to the empire by conquering much of the Deccan.
The Mauryan war-machine was therefore perfected in every respect. The military might consisted of troops of different kinds, namely hereditary or feudatory troops, hired troops, gild levies, and forest tribes. They were fully and efficiently equipped. The regular military establishment consisted of 600,000 infantry, 30,000 horsemen, 36,000 men with 9,000 elephants, and 24,000 men with nearly 8,000 chariots. Thus there were 6,90,000 fighting men in addition to followers and attendants.
It has been suggested that the territory ceded consisted of Gedrosia, Arachosia, Aria, and the Paropamisadae. To state, as some historians have done, that Chandragupta set out to accomplish the unity of India is largely the result of a prejudice.
Three different accounts of Candragupta, free of legendary and miraculous details, have been deciphered, one from the Rajavamsapustaka, another from the redactation of the Suvarnnapuravamsa, and the third longest being a chapter of the Paramparapustaka. The three accounts are in agreement with each other on many of the basic facts of Candragupta's origin and career, but they also contain wide divergences from one another with regard to important details.
Chandragupta was quick to realize the importance of erecting a huge empire. He went about to unite the whole of Punjab and, later, the northern India after overthrowing the Nandas. He not only added the southern states but also integrated the four satrapies of Aria, Arachosia, Gedrosia and Paropamisadae which were ceded by Seleucus to Chandragupta after the demise of Alexander.सीएस1 रखरखाव: नामालूम भाषा (link)