Harini rendered a series of devotional songs in 2012 on Lord Amman, Ganesha, Perumal among others, titled Om Nava Sakthi Jaya Jaya Sakthi, Vindhaigal Purindhai Nee En Vazhville, and Uchi Pillaiyare Charanam along with ace singer P. Unni Krishnan.
Harini composed a set of devotional songs in 2012 about Lord Amman, Ganesha, Perumal, and others, titled "Om Nava Sakthi Jaya Jaya Sakthi," "Vindhaigal Purindhai Nee En Vazhville," and "Uchi Pillaiyare Charanam." She collaborated with singer P. Unni Krishnan on these compositions.