Sita and Ram are one of the most influential and worshipped couple in the Hindu religion. Ram is the seventh Avatar of Vishnu and Sita is a manifestation of the Goddess Laxmi. Ram is considered to be the perfect man or the Maryada Purushottam [मर्यादा पुरुषोत्तम], and Sita is considered to be the epitome of virtue and purity.
The couple Sita-Ram is considered to be the perfect couple. Some sects in Hinduism describe Sita as the Shakti of Ram. The union of Sita-Ram is also jointly worshipped.
These are the Gayatri Mantras of Sita and Ram.
Sita Gayatri Mantra
Om Janaknandiniye Vidmahe
Bhumijayai Dhimahi
Tanno Sita Prachodayat
सीता गायत्री मंत्र
ॐ जनकनंदीन्ये विधमहे
भुमीजाय धीमहि
तन्नो सीता प्रचोदयात
Ram Gayatri Mantra
Om Dasharathaye Vidmahe
Sita Ballabhaye Dhimahi
Tanno Ram Prachodayat
राम गायत्री मंत्र
ॐ दशारथाय विधमहे
सीता बल्लभाय धीमही
तन्नो राम प्रचोदयात