Counterpoint Research has published its latest report on the premium (~US$400 or more) sector of India's smartphone market. It declined by 32% in the second quarter of 2020 (2Q2020) - although this drop was less severe than that of the entire market for the same quarter. OnePlus took the #1 spot here again, just edging Samsung out with a 29% share.
https://www.notebookcheck.net/OnePlus-makes-it-to-the-top-of-the-Indian-premium-smartphone-market-again.492319.0.html