After surfing youtube channels for more than couple of years, i have learnt a lot. There are lots of channels those are really helpful for both architects and students. These mentioned channels are my personal suggestions only.
Modern and Contemporary Architecture
4. Arch Daily
Architecture Practice
Architectural sketching Competition
Modern Indian Architecture
1. Buildofy
Bangladeshi Architecture
Interior Design
Architectural Tutorials
1. The sketchup essentials (Sketchup Tutorials)
2. Sketchup
3. Tutorials Up
5. Show it Better (Photoshop Tutorials)
6. ARQUI9 Visualisation(https://youtube.com/channel/UCBzPV2uSji-Z5-x_svnZV1w)
8. Yoga4Arch (Lumion)
9. popooey (Lumion+Photoshop)
Architectural News