The Shitala Saptami puja is observed on the seventh day of the Chaitra month according to the Hindu calendar.The Shitala Saptami puja is observed on the seventh day of the Chaitra month according to the Hindu calendar <a href="http://www.boldsky.com/yoga-spirituality/faith-mysticism/2014/significance-of-shitala-saptami-puja-038860.html" target="_blank">Know More</a>.