Fr Antonio Leandro Roberto da Rosa was a Diocesan Priest who worked as the Vicar in the Church of the Immaculate Conception in Panjim, Goa. The Immaculate Conception Church at Panjim, Goa was built in 1600. He was a native of Santo Estevao, Goa. Fr Jose Francisco Lourdes Martins from Calangute was incharge of the Panjim Church as Fr Antonio Leandro Roberto da Rosa had to go to Europe. He then worked in the Church of Aldona, Goa.