Theory of Saptang Rajya (Postulating a seven-organ institution of State) has been propounded by:

Kautilya propounded the organic Saptanga (seven-limbed) theory of the state in Book VI of the Arthashastra, identifying the seven constituent elements (prakritis) of sovereignty as Swami (the King), Amatya (Ministers), Janapada (Territory and Population), Durga (Fortified Capital), Kosha (Treasury), Danda/Bala (Army), and Mitra (Ally).