When you ask "best channel for DSA?" you'll get 12 different answers, everyone will argue, and you still won't have started learning.
The person recommending their favorite channel has a completely different background and pace than you. Their "best" is useless information for your learning style.
Search YouTube. Click the first 3 results. Watch 5 minutes of each. Whichever one you don't want to pause, that's yours. Pick it. Finish it. Switch only if it genuinely stops working for you.