I'm aware of the Wii U needing a USB 3.0 cable with a Y-splitter to use external hard drives, but those are pretty uncommon in India. I found this on Amazon.in, but
Wii U Hardware Review - Game Informer
MiniPro 2TB External USB 3.1 Portable Hard Drive for Nintendo Wii U - Walmart.com
MiniPro 2TB External USB 3.1 Portable Hard Drive for Nintendo Wii U - Walmart.com
Nintendo Support: How to Copy or Move Data between Two External Storage Devices
Copy Wii U Games To A USB Drive & Play Backups Nintendo Homebrew - YouTube
Wii U All in One Stand - Console, Gamepad, USB HDD by Rich T | Download free STL model | Printables.com
How to play Wii U games from your HDD! | WUDD - YouTube
How to Copy Wii Games (with Pictures) - wikiHow
How to play Wii U backups on a USB device | Disc2app - YouTube
Nintendo Just Made the Wii U a Whole Lot Speedier | TIME.com
Nintendo Wii U DVD Drive Replacement - iFixit Repair Guide
Editorial: Losing It All - When a Wii U's External Hard Drive Dies | Nintendo Life
Nintendo Wii U Expanded Storage, Explained
Nintendo Wii U Review | PCMag
Using USB Storage with the Wii U - Guide | Nintendo Life
After 10 Years I Finally Got A Wii U, Here's What I Thought | Nintendo Life
Nintendo Support: How to Copy or Move Data between Two External Storage Devices
YouTuber purchased every Wii U and 3DS eShop game for $22,000 | TechSpot
Super Mario Wii U External HDD Case – Dave's Geeky Ideas
Just a reminder: some or many USB drives is WII U won't work without Y-cable (getting power from two usb ports of Wii-U) : r/WiiUHacks
How to Expand Wii U Storage with External Hard Drives - MiniTool Partition Wizard
I got this Seagate external hard drive for my Wii U today but it's having trouble reading or formatting the drive. is there anything I can do? it's a STKB20004000 : r/wiiu
I just got a Wii U off of eBay that was factory reset and it says the storage is full anyone know what's going on? : r/wiiu
Amazon.com: Nintendo Wii U Console 8GB Basic Set - White : Video Games
MiniPro 2TB External USB 3.1 Portable Hard Drive for Nintendo Wii U - Walmart.com
