2020 North Indian Ocean cyclone season
The 2020 North Indian Ocean cyclone season was at that time, the costliest North Indian Ocean cyclone season on record, until it was surpassed 5 years later, mostly due to the devastating Cyclone Amphan. It was an above average season featuring 5 cyclonic storms.
Source: Wikipedia — 2020 North Indian Ocean cyclone season (CC BY-SA 4.0)