There is no specific pooja exclusively dedicated to love marriages in Hindu tradition. However, you can perform general prayers and rituals to seek the blessings of the deities for a successful and harmonious love marriage. Here are some suggestions

Ganesh Pooja: Begin by performing a Ganesh Pooja to seek the blessings of Lord Ganesha, the remover of obstacles. Offer prayers, chant mantras, and seek his guidance for a smooth and successful love marriage.

Lakshmi Pooja: Perform a Lakshmi Pooja to seek the blessings of Goddess Lakshmi, the goddess of wealth and prosperity. Pray for financial stability and abundance in your married life. Offer flowers, incense, and sweets to the goddess.

Saraswati Pooja: Perform a Saraswati Pooja to seek the blessings of Goddess Saraswati, the goddess of knowledge and wisdom. Pray for clarity, understanding, and compatibility in your love marriage. Offer prayers, recite Saraswati mantras, and offer white flowers or white-colored items to the goddess.