The Indian smartphone market as a whole saw some growth in Q2 2019 but it's the premium segment of the market that really offered a surprise, with sales of devices in that segment rising by 33% year-on-year. That growth was likely due to the immense success of the OnePlus 7 phones, and deals on the Galaxy S10 and iPhone XR.
https://www.notebookcheck.net/New-report-shows-that-premium-phones-are-getting-more-popular-in-India.428503.0.html