sentences:  The third book is entirely devoted to regulations for the judicial and executive departments, the establishment of a new and more practical era, the survey of the land, the tribal divisions, and the rent-roll of the finance minister.The fourth book treats of the social condition and literary activity, especially in philosophy and law, of the Hindus, who form the bulk of the population, and in whose political advancement the emperor saw the guarantee of the stability of his realm.There are also a few chapters on the foreign invaders of India, on distinguished travellers, and on Muslim saints and the sects to which they belong.