India-Canada row over the killing of Khalistani leader Hardeep Singh Nijjar has been escalating day-by-day. Now, Canada has updated its travel advisory for its citizens in India asking them to stay vigilant and exercise caution in the context of recent developments, as there are calls for protests and some negative sentiment towards Canada on social media.Notably, the diplomatic rift between both nations following Canadian Prime Minister Justin Trudeaus explosive allegations of the potential involvement of Indian agents in the killing of Nijjar on his countrys soil in Surrey on June 18 this year. India had designated the Khalistani extremist as a terrorist in 2020.However, India refuted Trudeaus claims calling them absurd and motivated and expelled a senior Canadian diplomat in a tit-for-tat move to Ottawas expulsion of an Indian official over the case.Canada updates its travel advisory amid India-Canada rowOn Sunday, the Canadian government said in an update, “In the context of recent developments in Canada and India, there are calls for protests and some negative sentiment towards Canada on social media. Please remain vigilant and exercise caution.”This latest move after New Delhi issued a similar advisory for Indian nationals and students living in Canada and halted visa services late last week, said the media reports.