Fears are growing for Father Tom Uzhunnalil after he was bundled into a truck by four militants earlier this month.
Gunmen killed 16 people when they stormed an old people's home in Aden in war-ravaged Yemen, including a number of nuns.
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Father Uzhunnalil fortunately survived the attack but was abducted by an unknown jihadi group during their violent rampage.
The sickening raid on a defenceless care home bears all the hallmarks of a plot by Islamic State (ISIS), although no group has claimed responsibility for the attack.
He has clung to life over the past three weeks despite being brutally tortured.
The senseless killings prompted an angry response from Pope Francis, who called for an end to the ten-month conflict in Yemen, which has allowed terrorist groups such as ISIS and al-Qaeda to flourish.
More than 6,200 people have been killed in the conflict, half of them civilians.