NEW DELHI : Japan has joined the group of nations extending aid to a covid-19 pandemic hit India with the Japanese government providing oxygen concentrators and ventilators.“Upon the request of the government of India, the government of Japan has decided to proceed with the procedure to provide 300 oxygen concentrators and 300 ventilators to India in response to the current surge of co-19 infections in India," a statement from the Japanese embassy said on Friday.“Japan stands with India, our friend and partner, in her efforts to fight against covid-19 pandemic through this additional emergency assistance," it said.“Japan will continue to extend further support promptly to contain the covid-19 situation," it added.Covid cases in India have.