As per the known history, from about 350 years back, 3 times worship of Trimbakraja is carried out by Trimbakeshwar Sansthan. The rituals are carried out continuously according to tantrik system. No where else in India, such rituals are being carried out in any temple. This is a specialty of Trimbakeshwar. Theses rituals are carried out as per Kaul community, according to ancient Shaivagam religious scriptures. Origin of these rituals is in Kashmir. The community culture is about 2000 years old. Aim of this propitiation is to attain the emancipation. It is achieved by worshipping together Shiva and Shakti. The devotee becomes himself Lord Shiva, worships his own self as the Supreme Being.
A devotee named Vasugupta once had a dream, and Lord Shiva himself allegorically instructed him about the knowledge on a rock. When Vasugupta reached there, he found it written on the rock. It is known as Spand-Karika. It contains the mystic knowledge of the spirituality. One, who is interested, must study this Spand-Karika. The Peshave specifically established this Trimbakeshwar devsthan and made arrangements for continuous rituals to be carried out. After the Peshave era, during the British rule and after independence, under the government of India, these traditional rituals are being carried out continuously. As per tradition, the morning rituals are done by Dashputre family, noon rituals by Shukla family and evening rituals by Welang family. Devasthan makes arrangements for offerings and other resources. On the occasion of Mahashivaratri, eclipse, Vaikunth Chaturdashi etc. special rituals are carried out.
On the day of Gudhi Padva, i.e. first day of Chaitra month, there is a special worship at 5.00 in the morning. This is done by Trustees. There is procession of the deity in the evening. Gudhees (colorful flags) are hoisted. Clergyman of the village reads the almanac.
On the occasion of Akshay Trutiya, i.e. third day of the month Vaishakh, Hursh Mahal in the temple premises is opened.
During the month of Shravan, on the occasions of Nagpanchami and Narali poonam (full moon day) the deity is specially ornamented. On no moon day i.e. festival of Pola, procession of the oxen is carried out.
In the month of Bhadrapad, Ganesh festival is celebrated.
On the 8th day of the month of Ashwin, the goddesses Bhuvaneshwari, Kolambika, Nilambika etc are offered sari-choli (special garments). On Dussera festival-Vijaya dashami arms and other deities are worshipped. Trustees perform special ritual of Trimbakeshwar at 5.00 in the morning. In the evening at 4.00 the deities go for crossing the boundary. During Diwali festival, on the day of Narakchaturthi trustees perform special ritual at 5.00 in the morning.Laxmipoojan is performed in the evening on the Laxmipoojan day.
On the day of Padva, trustees perform special ritual at 5.00 in the morning. In the evening, at 5.00, Golden mask is place on the Shiva ling in the temple. For three days in the month of Kartik,on 13th, 14th and full moon day there is keertan (sermon) in the temple. The procession of Trimbakraja in a chariot is taken. There is pooja on Kushavarta Tirth. After the chariot of Trimbakraja returns to the temple, at 7.30 in the evening Deepmal in front of the temple is worshiped and lamps on it are lit. Shri.Ruikar tells this pooja.
On Vasant panchami, 5th day of Magh month, deity is specially ornamented. On Mahashivaratri, procession of Palanquin of Trimbakraja is taken through the village. And at night there is keertan from 10.00 to 12.00.
On Holipoonam, full moon day in the month of Falgun, Holikapoojan is done. On the second day, Dhoolivandan, deity is specially ornamented and on 5ht day i.e. Rangpanchami, colors are spread over the deity.
On every Monday palanquin procession of Trimbakeshwar is taken to Kushavarta Tirtha and pooja performed there.