Cabral took postgraduate studies at United Theological College, Bangalore during the years 1988-1990[6] and worked out a dissertation entitled An evaluation of the effectiveness of selected Christian dramas in Kannada in communication of the Gospel[7] during the Principalship of Gnana Robinson leading to the award of Master of Theology.

[8][1] Continuing his studies, Cabral enrolled for doctoral studies[2] at the South Asia Theological Research Institute, Bangalore and on successful submission of his dissertation, he was awarded a Doctor of Theology degree by the Senate of Serampore College in 1998.

[citation needed] In 2010, Karnataka Theological College, under the Principalship of Cabral, announced the start of a two-year postgraduate programme leading to the award of Master of Arts in association with the George August University of Göttingen.

Similarly, in 2000, Roger E. Hedlund (who taught at the Serampore College and is the Editor of the missiological journal, Dharma Deepika Archived 9 July 2015 at the Wayback Machine), the missiologist wrote that, along with the Bible, the Christian Hymnal in Telugu also formed the main bulwark of Christian spiritual life for the Telugu folk and of equal use to both the non-literates and the literates as well.

[12] Cabral in his article Missionaries and Carnatic Music wrote that the early missionaries with special reference to Ferdinand Kittel were bemused by the Hindustani classical music and began composing songs in the local tradition.