Swami Tenuram Ashram Ulhasnagar was established by Satguru Swami Shanti Prakash Ji Maharaj in the year 1948 (though a few says that time was around 1950) in a house with just four rooms with tin roof. Ashram was renovated and a new building was constructed which was inaugurated by Satguru Swami Sarvanand Ji Maharaj on first tith of Nahri month of Sindhi Calendar in Vikram Sambat 2026 (November December 1970).
Presently Satguru Swami Dev Prakash Ji Maharaj are taking care of Ulhasnagar Ashram and Swami Shanti Prakash Ashram Trust Ulhasnagar.
Among the various Prem Prakash Ashrams of India, Ulhasnagar Ashram is considered as the most visited one. Swami Teoonram Ashram Ulhasnagar was established by Swami Shanti Prakash Maharaj, third master of Prem Prakash Mandal and most popular saint of Prem Prakash Mandal. Ulhasnagar Ashram is named as Swami Shanti Prakash Ashram Trust after the Swami Dev Prakash Ji Maharaj started looking after the ashram activities at Ulhasnagar.

Celebration of Birthday and Puniya Tithi of Satguru Swami Shanti Prakash Ji Maharaj in the August month
Annual Day (Varshik Utsav) of Ashram in the month of December
Guru Purnima in the moth of July.

Swami Shanti Prakash High School - Radheshyam Gau Shala - Swami Shanti Prakash Home for Elders (Virdhashram) - Swami Sarvanand Hospital - Swami Shanti Prakash Prakartik Chikitsa & Yoga Kendera - Janta Janardhan Parishad - Prem Prakash Navyuvak Mandal - Swami Teoonram Sindhi Dharamshala

Ulhasnagar ashram is one of most visited Prem Prakash ashram in India, still visiting devotees need not to worry about accommodation during the non celebration days as visitors can stay at Swami Teoonram Sindhi Dharamshala located just opposite to ashram. Though accommodation to visiting saints and V. I. P. personalities is provided within the ashram itself.