SWAMI DAYANAND had started his crusade in the form of Arya Samaj against all the wrong beliefs of the society.He was spreading his philosophy against all odds for about 16 years. He wanted the mission to remain active even after his death. To fulfil his dream,he established a trust known as PAROPKARINI SABHA. He nominated 23 reputed people of the society as its members.He got his will known as Sweekarpatra registered on 27th February,1883. He died on 30th October,1883. He left his legacy behind him in the form of Paropakarini Sabha.