A leading global collective of Catholic health professionals, it has a worldwide presence.
However, Pereira said homosexuality is a 'holocaust of marriage' and defiles the sacredness of sexual activity which is expressed only in a valid marriage.
'The church holds that there are two distinct but connected purposes of sexual activity i.e. unitive and procreative... A homosexual's sexual activity manipulates nature to selfish ends and for reasons independent of God's will,' he said.
Imploring homosexuals to heed to the chastity call, the spiritual advisor said by the virtues of self-mastery that teach inner freedom, by prayer and sacramental grace, homosexuals can and should gradually and resolutely approach Christian perfection.
'Like heterosexuals who are single and live a life of holiness in celibacy (even though they experience heterosexual desire), so also people with homosexual desire can live a life of holiness in celibacy,' Pereira's paper reads.
Catholics make up 26 percent of Goa's 1.4 million population.
The SLMG was founded in Australia in 1933.