There were a few developments in various parts of the subcontinent during the long range of 1,500 years following the end of the Harappan civilisation. This was additionally the period during which the Rigveda was created by individuals living along the Indus and its feeders.

Princep and Piyadassi:

• James Prinsep, interpreted Brahmi and Kharosthi, two contents utilized in the earliest engravings
• He saw that the greater part of these references to a lord alluded to as Piyadassi meaning lovely to see; referred to Asoka

The Earliest States

The Sixteen Mahajanapadas:

• Early Buddhist and Jaina texts note sixteen states known as mahajanapadas
• Albeit, a few names, for example, Vajji, Magadha, Koshala, Kuru, Panchala, Gandhara and Avanti find mentions, regularly. Obviously, these were among the most significant mahajanapadas 
• Most mahajanapadas were administered by rulers, a few, known as ganas or sanghas, were theocracies, where power was shared by various men, regularly on the whole called rajas
• Both Mahavira and the Buddha had a place with such ganas
• Now and again, similar to the Vajji sangha, the rajas presumably controlled assets, for example, land all things considered 
• Each mahajanapada had a capital city, regularly sustained
• Sixth century BCE onwards, Brahmanas began making Sanskrit texts known as the Dharmasutras, which put down principles for rulers

First amongst the sixteen: Magadha

Between the 6th BCE and the 4th BCE, Magadha (in Bihar) turned into the most remarkable mahajanapada in view of the accompanying reasons

• Magadha was a locale where horticulture was particularly useful
• Iron mines (in Jharkhand) were available and given assets to devices and weapons
• Elephants, a significant part of the military, were found in backwoods 
• Ganga and its feeders gave a method for inexpensively helpful correspondence
• Early Buddhist and Jaina essayists credited its capacity to the strategies of people: mercilessly eager rulers like Bimbisara, Ajatasattu and Mahapadma Nanda
• At first, Rajagaha (present day Rajgir in Bihar) was the capital of Magadha, which means place of the ruler
• Rajagaha was an invigorated settlement, situated among slopes.In the fourth century BCE, the capital was moved to Pataliputra, present-day Patna, coordinating courses of correspondence along the Ganga

An Early Empire:

Between the 6th and the fourth many years BCE, Magadha (in Bihar) transformed into the most striking mahajanapada considering the going with reasons: 

• Magadha was a region where cultivation was especially helpful
• Iron mines (in Jharkhand) were accessible and given resources for gadgets and weapons
• Elephants, a huge piece of the military, were found in woodlands
• Ganga and its feeders gave a strategy for reasonably accommodating correspondence
• Early Buddhist and Jaina writers attributed its ability to the techniques of individuals: barbarously enthusiastic rulers like Bimbisara, Ajatasattu and Mahapadma Nanda
• Right away, Rajagaha (present day Rajgir in Bihar) was the capital of Magadha, which means spot of the ruler 
• Rajagaha was a fortified settlement, arranged among inclines. In the fourth century BCE, the capital was moved to Pataliputra, present-day Patna, coordinating courses of correspondence along the Ganga

Administering the empire:

• There were five major political centers in the empire, the capital Pataliputra and the provincial centers of Taxila, Ujjayini, Tosali and Suvarnagiri, all mentioned in the Asokan Inscription
• Almost certainly, authoritative control was most grounded in regions around the capital and the commonplace habitats
• These focuses were painstakingly picked, both Taxila and Ujjayini being arranged on significant distance shipping lanes
• Suvarnagiri was conceivably significant for tapping the gold mines of Karnataka
• Megasthenes specifies a panel with six subcommittees for planning military movement
• One looked after the navy 
• Second managed transport and provisions
• Third was responsible for foot-soldiers
• Fourth for horses
• Fifth for chariots
• Sixth for elephants
• Asoka also tried to hold his empire together by propagating dhamma, to ensure the well-being of people. Uncommon officials, known as the dhamma mahamatta, were selected to spread the message of dhamma

Importance of the Empire:

• Rise of the Mauryan Empire was viewed as a significant milestone 
• Archeological sees as related with the Mauryas, including stone model, were viewed as instances of the fabulous craftsmanship regular of realms
• The message on Asokan engravings was altogether different from that of different rulers, recommending that Asoka was all the more impressive and innovative

Conclusion

The Janapadas were the major kingdoms of Vedic India. By the 6th century B.C. there were approximately 22 different Janapadas. The Janapadas were the major kingdoms of Vedic India. Aryans were the most influential tribes and were called ‘janas’. This gave rise to the term Janapada where Jana means ‘people’ and Pada means ‘foot’. By the 6th century B.C. there were approximately 22 different Janapadas. With the development of iron in parts of UP and Bihar, the Janapadas became more powerful and turned into Mahajanapads. In the sixth century BCE, there was a rise in the development of the Mahajanapada or great country. There were sixteen such Mahajanapadas during 600 B.C. to 325 B.C. in the Indian Subcontinent. There were two types of states: Monarchical and Republican. Malla, Vajji, Kamboja and Kuru were Republican states while Magadha, Kosala, Vatsa, Avanti, Anga, Kashi, Gandhara, Shursena, Chedi and Matsya were monarchical in nature.