diff --git a/README.md b/README.md
index fe33ff5..245884e 100644
--- a/README.md
+++ b/README.md
@@ -6,16 +6,27 @@
     Output: Sum which is of 19 bits.
     
  ## Block Diagram
- 
- 
+ Step1: Precomputation of carry status signals of "Generate", "Propagate", "Kill".
+ Step2: Computation of actuaal carry signals for all bits.
+ Step3: Final Sum computation by XORing Carry and propgate signals at each bit.
+ ![acc_cla](https://user-images.githubusercontent.com/61288836/138144766-a2e20fd1-88c1-4d33-ad66-ab533f0943c1.png)
+
  
  ## EDA Tools and Environment
+ Process Node: Sky130nm
+ Simulations:iverilog
+ RTL to GDSII: Openlane
+ SoC Wrapper: Caravel Harness
  
  ## Pre-Synthesis Simulation
+ <img width="964" alt="Screenshot (459)" src="https://user-images.githubusercontent.com/61288836/138146364-fbb48589-7766-4e1b-b08a-22440ac0a4b5.png">
+
  
  ## Post-Synthesis Simulation
- 
+ ![Screenshot (461)](https://user-images.githubusercontent.com/61288836/138146434-aa52a047-e680-4113-a28f-9c2d3d91cbf7.png)
+
  ## RTL to GDSII
- 
+ ![layout](https://user-images.githubusercontent.com/61288836/138146634-6c15d27d-c3af-43fe-91d8-4f8447eb238d.png)
+