diff --git a/README.md b/README.md
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@@ -33,7 +33,8 @@ In this repository, you'll find codes for Data Structure Lab.
 16. [Assignment 16 - Quick sort](https://git.kska.io/sppu-se-comp-codes/DSL/src/branch/main/write-ups/assignment-16%20%28quick%20sort%29.pdf)
 19. [Assignment 19 - Pinnacle Club](https://git.kska.io/sppu-se-comp-codes/DSL/src/branch/main/write-ups/assignment-19%20%28singly%20linked%20list%29.pdf)
 20. [Assignment 20 - Cinemax Theatre](https://git.kska.io/sppu-se-comp-codes/DSL/src/branch/main/write-ups/assignment-20%20%28Cinemax%20Theatre%29.pdf)
-26. [Assignment 26 - Stack Expression](https://git.kska.io/sppu-se-comp-codes/DSL/src/branch/main/write-ups/assignment-26%20%28stack%20expression%29.pdf)
+26. [Assignment 26 - Stack Expression](https://git.kska.io/sppu-se-comp-codes/DSL/src/branch/main/write-ups/assignment-26%20%28stack%20expression%29.pdf) 
+27. [Assignment 27 - Infix to Prefix](https://git.kska.io/sppu-se-comp-codes/DSL/src/branch/main/write-ups/assignment-26%20%28Infix%20to%20Prefix%29.pdf)
 29. [Assignment 29 - Queue job](https://git.kska.io/sppu-se-comp-codes/DSL/src/branch/main/write-ups/assignment-29%20%28queue%29.pdf)
 30. Assignment 30 - Priority queue - _TO BE ADDED_
 31. [Assignment 31 - Double-ended queue](https://git.kska.io/sppu-se-comp-codes/DSL/src/branch/main/write-ups/assignment-31%20%28double-ended%20queue%29.pdf)
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