Shri HIT Harivansh Mahaprabhu is the founder of Radhavallabh Sampradaya. Born in Baad Graam on 11th Day of Boishakh. He was the incarnation of Lord Krishna's Flute. A follower of Prema Bhakti and devotee of Radharani the Supreme power. His preaching of Radha Krishna being Ek Pran Dou Deh -One Soul Two Bodies; has been the valuable asset of this Sampradaya. The unique Yugal Darshan of Radhavallabh Temple are based on the same preaching. The famous temple of Shri Radhavallabh ji in Vrindavan, a place near Mathura is founded by him and his followers (hierarchy) are facilitating the Temple. The old temple of Shri Radhavallabh ji, just adjacent to the new temple has a sculpture of Shri Hit Harivansh Ji. Shri Hit Harivansh Ji Mahaprabhu is considered as the "Avatar" of Lord Krishna ' s Flute. Shri Radhavallabh ji Temple is one of the most famous temples of Thakur of Vrindavan including Sri Bankey Bihari Ji, Shri Govind Dev ji, Shri Madan Mohan Ji, Shri Gopinath Ji, Shri Radha Raman Ji and Shri Radha Damodar Ji.
Founder of the Sri Radhavallabh Sampradaya was His Divine Grace Goswami HIT Harivansh Mahaprabhu who is regarded as the incarnation of Lord Krishna's flute. His father, Sri Vyasa Mishra, was a Gaur Brahman of Deoband in Saharanpur district of Uttar Pradesh, who was in service of the Moghul Emperor Humayun, according to 'Tarikh-I-Deoband' (Syed Mehboob Rizvi, Ilmi-Marqaz, and Deoband). On one occasion while Sri Vyas Mishra was accompanying Emperor on his march from Agra, his wife Tara Rani, gave birth to a son at the Royal Army Camp at Baad, near Mathura; on 11th day (Ekadashi) Monday of 'Baisakh'(April–May) in the Samvat 1530 corresponding to 10th.(Zilkad 878 Hijri). According to various Ephemeris, Solar, Lunar and Planetary, compiled and edited by eminent Foreign and Indian Chronologists like John Warren (1825), James Princep (1831), Robert Swell (1881). Hermann Jacobi (1888), L. D. Swemikennu Pillai (1911), V.B. Ketkar (1923), Gahlot and Devra for the years B.C.1 to 2000 A.D., on Vaishakh Shukla 11, Monday appears only during 1530 whereas in 1559 the day was Thursday. Zauhar Aftabchi, the Royal Diarist and Courtier of Humayun support this.
In grateful recognition of their answered prayers, the parents named the child after the God they had invoked, and called him 'Harivansh', i.e. Hari’s issue. The Emperor celebrated with pomp and splendor heralding the incarnation of the sacred flute of the Lord. Gulbadan Beghum, sister of the Emperor in her book 'Humayaunnama' (preserved in Gulistan Library at Tehran, capital of Iran) and Zohar Aftabchi in his book 'Tazkirat -ul-Wakiat' had described in detail that how for ten days there were festivities celebrated, profuse lightings, fireworks, feasts, etc., continued during this period. The Emperor, his Queen 'Mariam Makani' , his sister 'Gulbadan Beghum' , prominent courtiers Bairam Khan, Tardi Beg, Yaqoob Beg, Zohar Aftabchi, Baba, Khoja Ambar, etc. sent gifts and greetings to 'Pt. Mishra’s Alms were given to beggars and special gifts One part of the Royal caravan was staying at Serai, three 'Kos'(6 km.)away from 'Baad Gram' on Agra-Delhi Road, where also festivities in the honor of HIT Harivansh Mahaprabhu were celebrated on large scale for ten days supervised and managed by Abdul Majeed the Deewan of Mathura at the Royal expense. But on the order of Emperor, all the inmates of Royal caravan abstained from alcoholic drinks and non-vegetarian food during this period. To mark the serenity of the occasion, the Emperor ordered, that in future The Royal Armies should not camp at Baad, instead Farah was declared camping ground