All the following are the ones that I have bought and used for myself unless specified otherwise. I have excluded stuff that didn't work properly or didn't even last a few months.

USB Hubs without external power

Gizga Type -C or USB 3.0

Rs.200 Gizga USB-C Hub: (USB 3.0, 2xUSB 2.0, 1 Type-C) Amazon India (Only under Rs.200)

Rs.200 Gizga USB-A Hub: (USB 3.0, 2xUSB 2.0, 1 Type-C) Amazon India (Only under Rs.200)

USB 7-in-2 USB Hub:  |

USB Hubs with external power slot (for old SSDs and power hungry USB devices)

Rs.800 Superspeed USB 3.0 4 Port USB Hub → Amazon India | → Hindi Video

USB Adapters

USB Converters

Type C (Male) to USB 3.0 (Female)| USB 3.0 (Male) to Type C (Female) |  Type C to Micro USB

WiFi & Bluetooth Dongles:

 USB Wifi Adapter . USB Bluetooth Adapter 

USB Cables

Type C (Male) to Micro USB (Male) 1.2m   | Type A (Male) to Micro USB (Male)  |