While the test has almost certainly created a cloud of space debris, it was done at such a low altitude that the debris should soon fall to Earth Source: https://www.newscientist.com/article/2197903-india-tests-anti-satellite-missile-by-destroying-one-of-its-satellites/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home