Concept of Maha Srotas - A literary review on the basis of fundamental principal

Background: Gastrointestinal tract is largest Srotas and term as Maha Srotas. The Doshas, Vata Pitta, Kapha also circulate through Srotas. But obstruction of Srotas is cause of Sroto Dusti (Sroto Vyadhi) and it disturbs Physiological functions of Dosha, Dhatu, Malas. Material and Methods: Literary research based on Study of Ayurvedic Samhitas and published research articles. Result: Srotas is internal transport system of the body and represents by Mahasrotas has been given a place of fundamental importance in Ayurveda both in health and disease. The obstruction of Mahasrotas responsible for many physiological abnormalities, similarly transportation of disturbed Doshas through Srotas leads various disease thus proper working of Maha Srotas is essential for retaining good health. Conclusion: The Srotas not only help in nutritional transportation but also support healing process. Srotas maintain physiological balance through exchange of Doshas and Dhatu. Maha Srotas transports factors that cause the Prakopa (Aggravation) or Samana (Allevation) of Doshas. Dosha get vitiated due to Apathaya Aahar Vihara causing Khavagunya and disease process occurs. So as to know the prognosis and treat the disease, Knowledge of Maha Srotas is necessary.