Mohandas Karamchand Gandhi is not just a name today but a philosophy, lifestyle, and A symbol of peace and harmony worldwide. Having clairvoyance regarding the dreadful consequences of modern technology and consumption patterns of his time, Gandhi said, “Nature has everything for Human beings’ needs, not for their greed.” Gandhi represents a culture of truth and non-violence. His ethical perfection is exemplary for us and generations to come. His philosophical and ethical transformation as an individual will also encourage generations, though his political life is criticized severely. The paper talks about environmental sustainability as the end, and the ecosophy of Gandhi is the means to achieve that while critically discussing a few models of sustainable development and their limitations. It also gives a narrative on the application of Gandhi’s fundamental virtues/philosophies in the context of ecosophy models as a. the philosophy of Satya (Truth) and Ahimsa (Non-violence), b. the philosophy of Sarvodaya (welfare of all or Humanism), c. the philosophy of Swarajya (Village Economy), d. the philosophy of Aparigraha (Non-possession) and e. the philosophy of Trusteeship.