The Prime Minister, a practising Catholic, announced that flags at all Commonwealth Government buildings would fly at half mast on Tuesday in a mark of respect.
Chandra Arya warned that Khalistani extremists, empowered by political backing and funding, are silencing Hindu voices and intimidating moderate Sikh institutions in Canada.
Graham Staines and his sons, Philip (10) and Timothy (6), were burnt alive by a mob while sleeping in their vehicle outside a church in Manoharpur village on 22 January 1999.
Mr Carroll confirmed the resignations on Thursday and said Labor MPs would meet on Monday morning to elect new ministers before he announced his reshaped cabinet.
“This recognition celebrates not only his remarkable body of work but also his immense contribution to storytelling that resonates with audiences across the world."