It is perhaps also worth reflecting on the nature of an empire which could so rapidly disintegrate. For instance, the scatter of Ashokan inscriptions in Karnataka (Mysore) and Andhra Pradesh (Hyderabad) should probably not be interpreted as evidence that Mauryan authority was ever effective throughout the Deccan. Instead, the empire should be seen as consisting of corridors of authority connecting pockets of agricultural, mineral (many of the southern inscriptions are in a gold-mining area), commercial or strategic importance. Beyond this carefully administered root-structure of nodes and conduits lay wild tracts of hill, forest and desert whose peoples produced no surplus of taxable significance. Here the Mauryan policy of containment, if they proved disruptive, or of neglect, if peaceable, may have been an early casualty of retrenchment. For all the evidence of an elaborate fiscal and judicial system under the Mauryas, we know remarkably little about the sanctions which enforced it. Along the highways, as well as rest houses and shade trees, one might expect some mention of garrisons, forts and escorts; but there is none. Mauryan authority, theoretically so extensive and invasive, may, in practice and beyond the confines of Magadha itself, have always been localised and vulnerable.
The last Maurya was murdered and supplanted by his commander-in-chief in about 180 BC. Pushyamitra, the assassin, was a brahman; his family came from Ujjain, where they had once served in the Mauryan administration. An inscription testifies to his performing two horse-sacrifices, and he is portrayed in Buddhist texts as no friend to the sangha (the monastic community). Perhaps, after a century of Mauryan patronage of the heterodox sects, Pushyamitra headed an orthodox brahmanical backlash. The dynasty he founded is known as the Shunga and his successors presided over a still disintegrating kingdom for about 110 years. The last Shunga, being reportedly ‘overfond of women’s company’,3 was assassinated by the daughter of one of his female companions. Vasudeva, his brahman minister, is said to have instigated the crime and it was he who duly founded a new dynasty. This was the Kanva, which lasted barely fifty years and of which almost nothing is known. Thereafter the kingdom of Magadha virtually disappears from the record for three centuries.
The Shungas and the Kanvas, like the later Mauryas, had been challenged on many fronts. An inscription in Orissa tells of the great king Kharavela of Kalinga who, though apparently a devout Jain, led his forces deep into the Deccan as well as invading Magadha and taking Pataliputra. Immense booty was accumulated, Kharavela’s horses and elephants were watered in the Ganga, and the king was styled a cakravartin, or world-ruler. Perhaps it was by way of a Kalingan revenge for Ashoka’s triumph of 260 BC. But Kharavela’s dates remain a mystery and his inscription is in ‘a rather flowery and pompous style and doubtless much of it was royal panegyric’.4 The only obvious inference is that Kalinga had long since broken away from Magadhan rule and now held its neighbour in contempt.
Amongst other adversaries over whom Kharavela was supposedly victorious, the inscription mentions the Shatavahana kings of the Deccan and a confederation of Tamil rulers in the extreme south, plus the Yavanas, or Greeks. As will be seen, the Deccan and the south begin to feature prominently in Indian history from about the last century BC. Slightly earlier the Yavanas had led the procession of intruders who now descended on India from the north-west. They originated in Bactria, or northern Afghanistan, where the Achaemenids had established a Greek colony. Alexander had augmented it, and over it Seleucus had briefly reasserted Macedonian authority before, some time during the reign of Ashoka, one Euthydemus had declared an independent kingdom. His successors, who were not necessarily his descendants, extended Bactrian rule to much of Afghanistan. Then, taking further advantage of the break-up of the Mauryan empire, some of them passed on down the Kabul river to the Indus and the Panjab.
Almost everything that is known of these Bactrian Greeks has been surmised from their splendid coins. Minted and die-cast in imitation of Greek practice, they are mostly circular, of silver, often large, and altogether a great advance on the punch-marked lumps of the Mauryas. Considerable hoards as well as individual examples have been found over a vast area; and coinage design being extraordinarily conservative, they provide somewhat the same information as a modern coin. Thus, we learn of the names of these kings, of their preferred titles, and often of the Greek deity with whom they wished to be associated. From the obverse, or ‘heads’ side of the coins, we also know what they looked like and what headgear they sported. Such personal insights are rare; knowing nothing of, for instance, Ashoka’s mien (other than that it was ‘gracious’), we feel personally aquainted with the bull-necked Eucratides and the big-nosed Heliocles. Some wear a curious cap, modelled on an elephant’s skull, with the trunk serving as a peak; others favoured the kausia, like a shallow upturned bowl, of faintly ecclesiastical look; the chinless Amyntas, whose long nose quests from beneath a sun helmet indistinguishable from the British solar topi, must surely have had knobbly knees and worn knee-length white socks. From such portraits information has been drawn about the likely age of a king when he ascended the throne; and blood relationships, indeed the succession, are sometimes premised on resemblances in their physiognomy and headgear. Lacking much in the way of corroborative sources, scholars have pored over every iota of numismatic detail to ingenious but seldom conclusive effect.
A fundamental problem seems to be that of there being rather too many kings for the, at most, 130 years of their involvement in India. It is as if all these Platos and Stratos, Demetriuses and Diodotuses had got wise to the idea that immortality was theirs provided they could but strike their own coins. Scholars meet this problem by proposing that there was usually more than one king and more than one kingdom. The Yavanas had a reputation for quarrelling amongst themselves, and their territories must therefore have frequently been divided and subdivided. As well as rival kings, it seems that sub-kings, joint-kings, expectant-kings and satraps or governors may all have minted their own coins. Where their various territories lay can be vaguely inferred from the find sites of a particular coin-type.
Many clearly never crossed the north-west frontier from Afghanistan, and those who did may not have come as invaders. Perhaps, like other Greeks in Asia, they came bearing gifts. Bactria had grown rich as a corridor of east – west trade and was also an important source of bloodstock. Indians, ever anxious for horses (but blissfully ignorant of the one gifted to Troy), may have welcomed them as both traders and mercenaries. It could be significant that three centuries later, when the Gandhara school of sculpture popularised Greek themes, the Trojan horse seems to have been a favourite.
First of these Indo-Greeks into India was a Demetrius, probably Demetrius II, who seems to have achieved success in the Panjab and to have established himself at Taxila. He may also have continued down the Indus to its mouth. This is thought to have happened some time soon after 180 BC and, from the fact that the legends on his coins are in Prakrit or Kharosthi as well as in Greek, it is clear that he acquired Indian subjects. A successor, Menander, fared even better with mid-century acquisitions to the north in Swat and possibly Kashmir, as well as to the east. How far east is uncertain. He probably extended his territory to the river Ravi, but may have raided much further afield. In Indian sources a Yavana force that was probably Menander’s is said to have joined the kings of Panchala and Mathura (both in the Ganga-Jamuna Doab) for a raid down the Ganga. Perhaps it was this combination of Greeks and Indians that the all-conquering Kharavela of Kalinga encountered. If so, he failed to stop them since, realising Alexander’s dream, they stormed Pataliputra and routed its presumably Shunga incumbent. Then, typically, they quarrelled; maybe Menander, like Alexander, faced a mutiny. ‘They came, they saw, but India conquered,’ writes one of their biographers.5