Update free-courses-en.md (#10430)

* Update free-courses-en.md

* Update free-courses-en.md

* Update free-courses-en.md

courses/free-courses-en.md

@@ -2,6 +2,7 @@
 
 * [0 - MOOC](#0---mooc)
 * [Algorithms & Data Structures](#algorithms--data-structures)
+    * [Soft Computing](#soft-computing)
 * [Android](#android)
 * [APL](#apl)
 * [Artificial Intelligence](#artificial-intelligence)
@@ -193,6 +194,13 @@
 * [Trees by Striver \| C++ \| Java \| Placements \| Binary Trees and Traversals \| Problems](https://www.youtube.com/playlist?list=PLgUwDviBIf0q8Hkd7bK2Bpryj2xVJk8Vk) - take U forward
 
 
+#### Soft Computing
+
+* [Introduction To Soft Computing](https://www.youtube.com/playlist?list=PLJ5C_6qdAvBFqAYS0P9INAogIMklG8E-9) - Computer Science and Engineering
+* [Learn and Grow](https://www.youtube.com/playlist?list=PL_kjqgSKrEaA8RDh56AeTOrcGj-nMDkSS) - Learn and Grow
+* [Soft Computing /| University exams specific](https://www.youtube.com/playlist?list=PLuAADu3OvBt5-e5yXuIqBi1pttqw3RBeg) - Er Sahil ka Gyan
+
+
 ### Android
 
 * [Advanced Android App Development](https://www.udacity.com/course/advanced-android-app-development--ud855) (Udacity)