Annual festival of this Temple is the Fair which is organized on the full-moon-day of the month of Chaitra and it continues for three days. During this festival which runs for three days, the Temple building is fully illuminated. The temple opens at 6 ‘O’ Clock in the morning and is kept open till 9 p.m. So that the pious devotees can have a vision of the Deity. During this festival, there are innumerable shops which are huge-sulfated with wealth and garlands of many coloured flower items of offering to the deity, toys, sweets and many items of entertainment. During the fair thousands of devotees in the vicinity of Kelwa, come to pay a visit to Shitala – Mata. Those originally from Kelwa but who happen to have settled at other places for either jobs or business, do block to Kelwa to pay a visit to Shitala-Mata. On the last day of the four palanquins of various deities are carried throughout the township in a processing.
On the occasion of the fifth of Shree Ganesh on the 4th day of the month of Magh-the 11th month in the first half of the month a special worship with holy waters is offered to Shri Siddhi Vinayaka.
In deference to the wishes of the devotees, the Temple Committee arranges to execute some Holy-water-bath ceremonies. Every Tuesday, the Holy-Water-Bath ceremonies are performed from the donation of Rs. 101/- given by the devotees. It is done in their name and the devine food items are sent on their postal address. Even on such occasions as Birth-day, wedding. Wish-fulfilment or mental peace and satisfactions such ceremonies are performed.
The Festival of nine might or as popularly called the Navaratra Festival, begin on the first day of Ashwin i.e. 7th month of the Hindu Calendar and it continues till the Dasara Day. During these days, the Temple and the surrounding campus is beautifully decorated and there are radiant lights everywhere.. Nine types of grains and cereals are sowed be fact the Goddess Shitala-Mata. Nine Vessels or pitchers filled with water from Ramkunda, are installed before Shitala-Mata. Two wreaths or garlands of merry gold flowers are suspended-one on either side. Thus, eighteen wreaths or garlands in all, are placed-mine wealth garlands in all, are placed mine walthes of garlands on either side of Shitala-Mata during these mine days. During the entire festival of mine days, the programmes of religions songs and thymes and religious discourses and also cultural programmes are organized and the atmosphere reverberates with religious priety. On the Ashtami (Eight Day) day, there is sourced fire. During the festival of nine days, the temple remains open for 11 hours from 6.00A.M. to 8. p.m. The management of the Shitala-Mata Trust provides special facilities to the devotees.
A devout worship is offered to Shitala-Mata on the 7th day of the letter of the month of Falgun-the last month of the Hindu Calendar. This is called either Shitala Saptami as Shila Saptami. Solemn vents are made to the Goddess so that she may be pleased to shower her favours and mothers together with their children the safe and happy. Brothers and sisters from the Marwadi community in the vicinity of Kelwa take their food on this day only after offering stole and cold food to the deity. They chant devotional songs dedicated to the Shitalamata, wearing colourful clothes.
Full-moon day of the month of Kartik is known as Tripurari Pournima. On this day, festival of lights is celebrated in the temple. Both the light-houses with rows of lamps as well as the Ramkund and the entire surrounding is fully illuminated with thousands of lustrous lamps one and all in the township participate in their festival with great joy and enthusiasm and in great numbers the participation of women and children in this festival catches the eyes of the viewers. There is a spectacular and pyrotechnic display of fire crackers on this occasion.