The below mantra is highly beneficial to obtain the blessings of Lord Rama and Sita Devi for successfully getting married to one's lover. The mantra is also useful in making the relation between existing couples stronger and rejuvenating the love and understanding between them.
ॐ ह्रीम ऐउम जनकाथ्म्जाए नमः
Om hreem aium janakathmajayai namah
ॐ ह्रीम ऐउम जनकाथ्म्जाए नमः
Repeat the above mantra 108 times, daily in the morning after a bath. Face the east direction while chanting. Try to have the image of Sita devi-Lord Rama's marriage in mind while chanting the mantra. Repeat the chanting continuously for 21 days.
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