diff --git a/content/roadmaps/114-software-architect/content/105-patterns-and-design-principles/100-oop.md b/content/roadmaps/114-software-architect/content/105-patterns-and-design-principles/100-oop.md
index f88c06a07..51cb65588 100644
--- a/content/roadmaps/114-software-architect/content/105-patterns-and-design-principles/100-oop.md
+++ b/content/roadmaps/114-software-architect/content/105-patterns-and-design-principles/100-oop.md
@@ -3,5 +3,9 @@
 Object-oriented programming (OOP) is a computer programming model that organizes software design around data, or objects, rather than functions and logic. An object can be defined as a data field that has unique attributes and behavior.
 
 <ResourceGroupTitle>Free Content</ResourceGroupTitle>
-<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.geeksforgeeks.org/object-oriented-programming-oops-concept-in-java/'>OOPs Concepts GFG</BadgeLink>
-<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.w3schools.com/java/java_oop.asp'>OOPs Concepts w3schools</BadgeLink>
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+
+<BadgeLink badgeText='Read' colorScheme="yellow" href='https://developer.mozilla.org/en-US/docs/Learn/JavaScript/Objects/Object-oriented_programming'>Basic concepts of object-oriented programming</BadgeLink>
+<BadgeLink badgeText="course" colorScheme="blue" href="https://www.youtube.com/watch?v=wN0x9eZLix4">Object Oriented Programming (OOP) in C++ Course</BadgeLink>
+<BadgeLink badgeText="Course" colorSheme="blue" href="https://www.youtube.com/watch?v=Ej_02ICOIgs">Object Oriented Programming with Python</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.geeksforgeeks.org/object-oriented-programming-oops-concept-in-java/'>OOP Concepts</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.w3schools.com/java/java_oop.asp'>OOP Concepts w3schools</BadgeLink>
diff --git a/content/roadmaps/114-software-architect/content/105-patterns-and-design-principles/102-cqrs-eventual-consistency.md b/content/roadmaps/114-software-architect/content/105-patterns-and-design-principles/102-cqrs-eventual-consistency.md
index d5b79dfc6..460cd4132 100644
--- a/content/roadmaps/114-software-architect/content/105-patterns-and-design-principles/102-cqrs-eventual-consistency.md
+++ b/content/roadmaps/114-software-architect/content/105-patterns-and-design-principles/102-cqrs-eventual-consistency.md
@@ -1 +1,8 @@
-# Cqrs eventual consistency
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+# CQRS eventual consistency
+
+CQRS (Segregation of Responsibility for Command Queries) is an architectural pattern that comes with the idea of separating read and write operations into two distinct logical processes.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+
+<BadgeLink badgeText="Read" colorScheme="yellow" href="https://martinfowler.com/bliki/CQRS.html">CQRS</BadgeLink>
+<BadgeLink badgeText='Read' colorScheme="yellow" href='https://learn.microsoft.com/en-us/azure/architecture/patterns/cqrs'>Introduction to CQRS</BadgeLink>