________________ become non-functional. Arihant has physical existence of mind but it is non-operational as its capacity is limited and cannot comprehend the infinite dimensions. System of words or expressions and functioning of body are not in a coveted manner as observed in human beings. These take place in the spontaneous manner, without any design, with optimal control and in perfect harmonious manner. Sounds produced while preaching in Samosharan take place spontaneously at definite intervals but the sound is related to body and not soul. At times, body also moves spontaneously and Samosharan shifts automatically. 9. System of Meditation: The soul is completely absorbed in the self without any disturbance in the state of Arihant. Although there are seemingly disturbances owing to movements of body and action of words but the level of meditation is supreme. Meditation and perfect of meditation (shukla dhyan). Such level of meditation is achieved after great efforts and practice and amounts to have control and optimum operations of all systems. There are various levels of mediations and each of level has varying degrees of attention of 10. Stages in Cybernetics: Arihant is in the thirteenth stage in terms of spiritual ladder. What has been described above refers to spiritual ladder and is indicative of operation of many complex systems, some of which have been narrated above, involving operation of infinite particles. The system of qualitative stages of purification of soul is explained with the help of different degrees of purification of soul and deformities. These are also explained in terms of systems of karmic particles associated with each stage, from first to fourteen and beyond that, i.e. moksha. To sum up, Jain concepts and scholars have cybernetics in the background in its most completed manner ever conceptualized even by its modern scientists. Different systems culminate into a state of Arihant and manifest mostly in its ultimate forms. All the mysteries get exposed, the ultimate truth is realised and supreme perfection is achieved. This is the ultimate in cybernetics and optimal control theory. About the author: Dr Jayanti Lal Jain holds Ph. D in Economics from Oklahoma State University, USA and Ph.D in Jainology from University of Madras, Chennai. He was Professor Emeritus at Department of Jainology, University of Madras. He worked at Indian Bank, Chennai as Chief Economic Adviser/General Manager. Dr Jain has published many articles on Jain Philosophy and on Economics, Banking and Finance. His books on 'Pure Soul and its Infinite Treasure', 'Acharya Kundakund and Jain Philosophy' have been published by University of Madras. He has delivered many special lectures in India and abroad and has considerable teaching experience.