diff --git a/courses/free-courses-bn.md b/courses/free-courses-bn.md
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--- a/courses/free-courses-bn.md
+++ b/courses/free-courses-bn.md
@@ -86,10 +86,12 @@
 * [১ ভিডিওতে ডার্ট শিখুন !](https://www.youtube.com/watch?v=_8Q5cwfvi64) - Rabbil Hasan
 * [Dart All You Need To Know](https://www.youtube.com/playlist?list=PL_XxuZqN0xVC2-nXUrvpcQEz3FgCSIQHT) - Stack Learner
 * [Dart Bangla Tutorial](https://www.youtube.com/playlist?list=PLbC4KRSNcMnpQarCowZvUJOf4VhiJllX5) - Learn Hunter
+* [Dart Bangla Tutorial](https://www.youtube.com/playlist?list=PLy0nhnjSE4irkzR9mbo70J2iKbf4a36y5) - Afran Sarkar
 
 
 ### Docker
 
+* [Docker and Kubernetes - 2022](https://www.youtube.com/playlist?list=PLzOdtYcAxAiM4_XQrzRmofBJ_ImFkSojg) - CSLCBT Bangla
 * [Docker Tutorial](https://www.youtube.com/playlist?list=PLSNRR4BKcowAuPUEja_ZZUE5Szn1rx90f) - Procoder BD
 * [Docker Tutorial Course](https://www.youtube.com/playlist?list=PLEYpvDF6qy8Yo9SpzhniLCjgRIxCpo2ku) - Foyzul Karim