This is currently run by Zomato, which used to be Chinese-invested. They are likely buying COVID-19 equipment from China, given their relations as well as the fact that Chinese COVID-19 oxygen equipment is the cheapest on the market, so if you donate to Zomato, you're likely subsidizing the Chinese oxygen equipment industry at the same time.
At 2.8k-19.6k deaths per day and ~350k new cases per day, COVID-19 in India has gone from a "hahaha fuck India" joke to a serious humanitarian disaster. Don't be a dick, if you can, help out. If you're a Chinese national or have a Chinese address, try mentioning it to improve PR.