The Vincentian Mission Ahmednagar, presently known as "St. Paul Mission Ahmednagar" was established on July 3, 1991 by an agreement between the Diocese of Kalyan and Marymatha Province of the Vincentian Congregation with its headquarters in Angamaly South, Kerala, for intensive and extensive evangelization. The mission territory includes Ahmednagar Revenue District and Yeola town of Nasik District of Maharashtra

On January 27, 1991 Fr. Joseph Kavalakkatu VC reached Ahmednagar and on February 28, 1991 the new priest Fr. Thomas Mullenmadackel VC joined. They are the founding members of the Mission as Mission Superior and Mission Procurator respectively. The Mission was formally inaugurated on November 11, 1991 by Mar Paul Chittilappilly, the first Bishop of Kalyan at Shirley Miller Hall, Booth Hospital Campus, Ahmednagar. The Mission has its Headquarters at Ahmednagar.