The airline confirmed that there were injuries onboard, and stated that all "possible assistance" will be provided to the passengers on the aircraft.
Modi, who is on a two-day visit to Sri Lanka, made the announcement of the beginning of the flights during his address at the inauguration of the International Vesak Day, the biggest festival of Buddhists.
He also extended condolences to those who have suffered and lost near and dear ones in the pandemic, and said he grieved with them.
Speaking as the chief guest at the International Vesak Day celebrations in Colombo, the prime minister said that the themes of social justice and sustainable world peace, chosen for the Vesak day, resonate deeply with Buddha's teachings.
The anti-government protests near the presidential secretariat in Colombo resumed on Sunday after the authorities lifted the nation-wide curfew to celebrate the Vesak -- what we call Buddha Purnima in India -- festival.
Sri Lankan police on Monday came under pressure to arrest the Rajapaksa family loyalists involved in attacks on peaceful protesters last week, even as it arrested over 200 people on various charges following the violence that left nine people dead.
The docking of two Chinese submarines at the Colombo harbour in 2014 had angered India, which said it undermined its security interests.
The visit and the agenda is mainly to re-emphasise the traditional connect between India and Sri Lanka, particularly in the context of Buddhism, which is a shared heritage.
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As and when the pandemic recedes from these shores, rebuilding the economy will be the biggest challenge for Modi in the remaining three years of his term, observes Virendra Kapoor.
The party is looking at Amit Shah's visit to Tamil Nadu and the PM's to Sri Lanka to boost its expansions efforts in the state for the 2019 Lok Sabha polls, reports Archis Mohan.