The influence of regionalism from centralization has been repeatedly observed in India. After the Gupta period, many independent states developed in India. Naturally, the socio-economic system also became decentralized. The agricultural structure and social changes, caste-tribe and caste system of this period are discussed in this book. From the exchange system, trade and A greater circulation of coins is also observed during this period. Above all, besides explaining the social culture around them, the impact of this period also enriches the book.