A further 1,000 ventilators will be sent to help coronavirus-hit India, the UK government has announced.
No 10 said Johnson will hold a virtual meeting with Indian Prime Minister Narendra Modi on Tuesday to discuss deepening cooperation between the UK and India
India recorded its highest daily coronavirus death toll since the pandemic began - 3,689 - and has become the first country to register more than 400,000 new cases in a single day.
Modi met his health minister on Sunday morning to review the crisis.
Some five million Oxford-AstraZeneca doses, manufactured in India and destined for the UK, have been held there while safety checks are carried out.
UK government announced last week it would send 200 ventilators, 495 oxygen concentrators and three oxygen generation units - with the first shipment arriving on Tuesday.