Upendra Jha has contributed to the study of Vedic rituals and Sanskrit literature. He edited महामहोपाध्याय मदनोपाध्यायविरचिता सोमयागपद्धतिः (Somayaga Paddhati by Mahamahopadhyay Madnopadhyay), a text on the Somayaga ritual, and is also the author of वेदोदधिरत्नम् (Vedodadhiratnam).