Respiratory diseases like asthma, bronchitis, cough, sinusitis, lung cancer, whooping cough in children, throat troubles etc. are the diseases caused due to heavy humidity, living in polluted areas, unwanted food articles causing breathing trouble. Some symptoms are also developed due to cardiac trouble affecting the breathing duration. Oral intake of decoction, plant extracts of several medicinal plants improves the respiratory troubles and heals the lung and nasal and throat functioning. Exploration of Gangetic plains of West Bengal, from Rajmahal hills to Gangasagar, have been conducted. During the exploration, 338 medicinal plants were collected and specimen vouchers were prepared by usual methods of herbarium teqchnique. Medicinal plants related with respiratory diseases were selected and documented on the basis of authentic evidence through published literatures on pharmacology, phytochemistry of the related plants. During the exploration of herbs related with the formulation of medicines and tradition use of medicines described in different herbal system of medicines in the Gangetic areas, 62 herbs were documented with the useful in the cure of various respiratory diseases having the chemical alkaloids and pharmacological properties are mentioned in this paper.All the 62 herbs having the properties to cure various kinds of respiratory diseases are suitable for oral intake through decoction, cough syrup, tablets, powder and in the form of fresh juice. Pharmacological evidence of these plants are already worked out in different parts of world. Yoga and pranayama described in the text is vigorously helpful in managing the respiratory diseases.