Update free-courses-en.md (#11318)

Author: Divyanshu9794

courses/free-courses-en.md

@@ -222,6 +222,7 @@
 * [Android Developer Fundamentals (Version 2) — Concepts](https://google-developer-training.github.io/android-developer-fundamentals-course-concepts-v2/index.html)
 * [Android Development Tutorials](https://www.youtube.com/playlist?list=PLqM7alHXFySF_Hb1GtyvCX44dBniJ5sNy) -  GeeksforGeeks
 * [Android Performance](https://www.udacity.com/course/android-performance--ud825) (Udacity)
+* [Android Tutorial for Beginners](https://www.youtube.com/playlist?list=PLsyeobzWxl7p-lZvWabkVJdM_UVURhUh4) - Telusko
 * [Android with kotlin](https://www.youtube.com/playlist?list=PLlxmoA0rQ-Lw5k_QCqVl3rsoJOnb_00UV) - Smartherd
 * [Build Native Mobile Apps with Flutter](https://www.udacity.com/course/build-native-mobile-apps-with-flutter--ud905) (Udacity)
 * [CS194A Android Development](https://www.youtube.com/playlist?list=PL7NYbSE8uaBDcLkbXsQADdvBnVbavonGn) - Rahul Pandey (Stanford)