He made significant contributions to Konkani literature as a poet, dramatist, novelist, and a litterateur.Saldanha maintained a strong Catholic identity in his writings, and his main themes were the sufferings of 60,000 Mangalorean Catholics during their 15-year captivity at Seringapatam imposed by the Muslim ruler Tipu Sultan from 1784 to 1799, and the oppression of Goan Catholics during the Goa Inquisition.
He was popularly referred to by his pen-name Khadap (The Rock).