The Galaxy A52 and A72 are upcoming Samsung mid-range phones that might launch with 4G and 5G variants, 90Hz AMOLED displays and decently large batteries. They are also now tipped to have an Indian launch in March 2021. The latest leak also suggests the A52 will start at around US$412, whereas the A72 will do so at ~$547.
https://www.notebookcheck.net/Samsung-will-launch-the-Galaxy-A52-and-A72-in-India-by-mid-March-2021.522590.0.html